Fix broken links (#92)

src/pages/about-netbird/how-netbird-works.mdx

@@ -47,7 +47,7 @@ We use [Carrier Grade NAT](https://en.wikipedia.org/wiki/Carrier-grade_NAT) addr
 Whenever a new peer joins the network, all other peers that are authorized to connect to it receive an update.
 After that, they are able to establish a connection to the new peer.
 * **Creating and managing access control rules.**
-* **Managing private DNS.** [DNS](docs/how-to/manage-dns-in-your-network) allows referring to each of the peers with a fully qualified domain name (FQDN).
+* **Managing private DNS.** [DNS](/how-to/manage-dns-in-your-network) allows referring to each of the peers with a fully qualified domain name (FQDN).
 * **Logging network activity.**
 * **Wireguard key rotation.** <em>Coming Soon</em>.
 
@@ -67,7 +67,7 @@ The Client's roles are the following:
 
 * **Generating private and public Wireguard keys.** These keys are used for packet encryption between peers and for [Wireguard Cryptokey Routing](https://www.wireguard.com/#cryptokey-routing).
 To accept the incoming connections, peers have to know each other, therefore, the generated public keys have to be pre-shared on the machines. The client application sends its public key to the Management service which then distributes it to the authorized peers.
-* **Handling peer registration and authentication.**  Each peer has to be authenticated and registered in the system. The client application requests a user to log in with an Identity Provider (IDP) or a [setup key](/overview/setup-keys) so that the peer can be associated with the organization's account.
+* **Handling peer registration and authentication.**  Each peer has to be authenticated and registered in the system. The client application requests a user to log in with an Identity Provider (IDP) or a [setup key](/how-to/register-machines-using-setup-keys) so that the peer can be associated with the organization's account.
 * **Receiving network updates from the Management service.**
 Each peer receives initial configuration and a list of peers with corresponding public keys and IP addresses so that it can establish a peer-to-peer connection.
 * **Establishing peer-to-peer Wireguard connection.** To establish a connection with a remote peer, the Client first discovers the most suitable connection candidate, or simply address (IP:port) that other peer can use to connect to it.

src/pages/selfhosted/identity-providers.mdx

@@ -190,7 +190,7 @@ Keycloak is an open source software product to allow single sign-on with Identit
 
 <Note>
     If you prefer not to self-host an Identity and Access Management solution, then you could use a managed alternative like
-    [Auth0](/integrations/identity-providers/self-hosted/using-netbird-with-auth0).
+    [Auth0](/selfhosted/identity-providers#auth0).
 </Note>
 
 The following guide is an adapted version of the original
@@ -443,7 +443,7 @@ This guide is a part of the [NetBird Self-hosting Guide](/docs/selfhosted/selfho
 
 <Note>
     If you prefer not to self-host an Identity and Access Management solution, then you could use a managed alternative like
-    [Auth0](/integrations/identity-providers/self-hosted/using-netbird-with-auth0).
+    [Auth0](/selfhosted/identity-providers#auth0).
 </Note>
 
 #### Step 1: Create OAuth2/OpenID Provider
@@ -564,7 +564,7 @@ It is a 3rd party managed service and can't be self-hosted.
 
 <Note>
     If you prefer to have full control over authentication and authorization of your NetBird network, there are good
-    self-hosted alternatives to the managed Auth0 service like [Keycloak](/integrations/identity-providers/self-hosted/using-netbird-with-keycloak).
+    self-hosted alternatives to the managed Auth0 service like [Keycloak](/selfhosted/identity-providers#keycloak).
 </Note>
 
 Before you start creating and configuring an Azure AD application, ensure that you have the following:
@@ -718,11 +718,11 @@ You've configured all required resources in Azure AD. You can now continue with
 
 ### Okta
 
-This guide is a part of the [NetBird Self-hosting Guide](/getting-started/self-hosting) and explains how to integrate 
+This guide is a part of the [NetBird Self-hosting Guide](/selfhosted/selfhosted-guide) and explains how to integrate 
 **self-hosted** NetBird with [Okta](https://www.okta.com/).
 
 <Note>
-If you prefer to have full control over authentication and authorization of your NetBird network, there are good self-hosted alternatives to the managed Okta service like [Keycloak](/integrations/identity-providers/self-hosted/using-netbird-with-keycloak).
+If you prefer to have full control over authentication and authorization of your NetBird network, there are good self-hosted alternatives to the managed Okta service like [Keycloak](/selfhosted/identity-providers#keycloak).
 </Note>
 
 Before you start creating and configuring an Okta application, ensure that you have an Okta workforce identity cloud account. If you don't have one, sign up for a free account at https://www.okta.com/free-trial/.
@@ -846,7 +846,7 @@ You've configured all required resources in Okta. You can now continue with the
 
 ### Google Workspace
 
-This guide is a part of the [NetBird Self-hosting Guide](/getting-started/self-hosting) and explains how to integrate 
+This guide is a part of the [NetBird Self-hosting Guide](/selfhosted/selfhosted-guide) and explains how to integrate 
 **self-hosted** NetBird with [Google Workspace](https://workspace.google.com/).
 
 Before you start creating and configuring an Google Workspace application, ensure that you have the following:
@@ -1007,7 +1007,7 @@ instance on your own.
 
 <Note>
     If you prefer to have full control over authentication and authorization of your NetBird network, there are good
-    self-hosted alternatives to the managed Auth0 service like [Keycloak](/integrations/identity-providers/self-hosted/using-netbird-with-keycloak).
+    self-hosted alternatives to the managed Auth0 service like [Keycloak](/selfhosted/identity-providers#keycloak).
 </Note>
 
 #### Step 1: Create Auth0 account

src/pages/selfhosted/selfhosted-quickstart.mdx

@@ -18,7 +18,7 @@ as the identity provider for user management using a single-line setup script an
 
 <Note>
     This is the quickest way to try self-hosted NetBird. It should take around 5 minutes to get started if you already have a public domain and a VM.
-    Follow the [Advanced guide with a custom identity provider](#advanced-guide-with-a-custom-identity-provider) for installations with different IDPs.
+    Follow the [Advanced guide with a custom identity provider](/selfhosted/selfhosted-guide#advanced-self-hosting-guide-with-a-custom-identity-provider) for installations with different IDPs.
 </Note>
 
 ### Requirements