Stylistic updates to documentation.

When I am reading on the web page I would like links to documents
referred.

Signed-off-by: Junichi Uekawa <[email protected]>

README.md

@@ -13,7 +13,7 @@ GitHub. Releases are also available as source checkouts using named tags.
 # Documentation
 
 For 3.x project documentation and usage, see the [README.quickstart.md](README.quickstart.md) file or
-the more detailed docs under the doc/ directory. The .md files are in Markdown
+the more detailed docs under the [doc/](doc/) directory. The .md files are in Markdown
 format and can be converted to html files as desired for release packages, or
 read as-is in plaintext.
 

doc/EasyRSA-Readme.md

@@ -4,15 +4,15 @@ Easy-RSA 3 Documentation Readme
 This document explains how Easy-RSA 3 and each of its assorted features work.
 
 If you are looking for a quickstart with less background or detail, an
-implementation-specific How-to or Readme may be available in this (the `doc/`)
+implementation-specific How-to or Readme may be available in this (the [`doc/`](./))
 directory.
 
 Easy-RSA Overview
 -----------------
 
 Easy-RSA is a utility for managing X.509 PKI, or Public Key Infrastructure. A
 PKI is based on the notion of trusting a particular authority to authenticate a
-remote peer; for more background on how PKI works, see the `Intro-To-PKI`
+remote peer; for more background on how PKI works, see the [Intro-To-PKI](Intro-To-PKI.md)
 document.
 
 The code is written in platform-neutral POSIX shell, allowing use on a wide
@@ -98,13 +98,13 @@ Any of these options can appear before the command as required as shown below:
     ./easyrsa [options] command [ cmd-opts ]
 
 For experts, additional configuration with env-vars and custom X.509 extensions
-is possible. Consult the `EasyRSA-Advanced` documentation for details.
+is possible. Consult the [EasyRSA-Advanced](EasyRSA-Advanced.md) documentation for details.
 
 Getting Started: The Basics
 ---------------------------
 
 Some of the terms used here will be common to those familiar with how PKI works.
-Instead of describing PKI basics, please consult the document `Intro-To-PKI` if
+Instead of describing PKI basics, please consult the document [Intro-To-PKI](Intro-To-PKI.md) if
 you need a more basic description of how a PKI works.
 
 #### Creating an Easy-RSA PKI
@@ -125,8 +125,8 @@ you need a more basic description of how a PKI works.
 
   An Easy-RSA PKI contains the following directory structure:
 
-  * private/ - dir with private keys generated on this host
-  * reqs/ - dir with locally generated certificate requests (for a CA imported
+  * `private/` - dir with private keys generated on this host
+  * `reqs/` - dir with locally generated certificate requests (for a CA imported
     requests are stored here)
 
   In a clean PKI no files exist yet, just the bare directories. Commands called