feat: add base functional

.editorconfig

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+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+
+[*.{js,json,yml}]
+charset = utf-8
+indent_style = space
+indent_size = 2

.gitattributes

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+/.yarn/**            linguist-vendored
+/.yarn/releases/*    binary
+/.yarn/plugins/**/*  binary
+/.pnp.*              binary linguist-generated

.github/CODEOWNERS

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+* @lidofinance/lido-si

.github/dependabot.yml

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+version: 2
+updates:
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/pull_request_template.md

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+### Description
+
+<!-- Briefly note most valuable changes in what you did and why we need it, even if the task was described in detail in the task tracker. -->
+
+<!--- If any section below doesn't make sense for your pull request, delete it please. -->
+
+### Demo
+
+<!-- If thee are visual changes add screenshots or record a [loom](https://www.loom.com/). -->
+
+### Code review notes
+
+<!-- Describe all uncertain decisions you made code-wise, e.g. readability vs performance. -->
+
+### Testing notes
+
+<!-- List all possible edge cases and how to test them. -->
+
+### Checklist:
+
+- [ ]  Checked the changes locally.
+- [ ]  Created/updated unit tests.
+- [ ]  Created/updated README.md.
+

.github/workflows/checks.yml

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+name: Check all
+on:
+  pull_request:
+jobs:
+  check-all:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: "yarn"
+
+      - name: Install dependencies
+        run: yarn --immutable
+
+      - name: Check Lint
+        run: yarn lint
+
+      - name: Build
+        run: yarn build
+      - name: Check types
+        run: yarn types
+
+      - name: Tests
+        run: yarn test

.github/workflows/publish-alpha.yml

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+name: Publish Beta version to registry
+on:
+  workflow_dispatch:
+
+permissions:
+  contents: write # to be able to publish a GitHub release
+  issues: write # to be able to comment on released issues
+  id-token: write # to enable use of OIDC for npm provenance
+
+jobs:
+  pre-publish:
+    if: github.ref == 'refs/heads/develop'
+    uses: ./.github/workflows/publish-dry-run.yml
+    secrets:
+      NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+  publish:
+    needs: pre-publish
+    runs-on: ubuntu-latest
+    environment: development
+    # restricts job to develop branch
+    if: github.ref == 'refs/heads/develop'
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          persist-credentials: false
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: "yarn"
+
+      - name: Install dependencies
+        run: yarn --immutable
+
+      - name: Build
+        run: yarn build:packages
+
+      - name: Verify the integrity of provenance attestations and registry signatures for installed dependencies
+        run: yarn npm audit
+
+      - name: Authenticate in npm
+        run: |
+          echo "//registry.npmjs.org/:_authToken=$NPM_TOKEN" > .npmrc
+          echo "workspaces-update=false" >> .npmrc
+          echo "provenance=true" >> .npmrc
+        env:
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+
+      - name: Publish Alpha
+        run: yarn multi-semantic-release
+        env:
+          NPM_CONFIG_PROVENANCE: true
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}

.github/workflows/publish-dry-run.yml

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+name: Publish Dry Run
+on:
+  workflow_dispatch:
+  workflow_call:
+    secrets:
+      NPM_TOKEN:
+        description: 'NPM token'
+        required: true
+
+jobs:
+  publish-dry-run:
+    runs-on: ubuntu-latest
+    environment: pre-publish
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          persist-credentials: false
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: 'yarn'
+
+      - name: Install dependencies
+        run: yarn --immutable
+
+      - name: Build
+        run: yarn build:packages
+
+      - name: Dry run Publish
+        run: |
+          yarn multi-semantic-release --dry-run --silent > /tmp/multi-semantic-release-output
+          grep -E '#|###|\*' /tmp/multi-semantic-release-output > dry_run_output.txt || [ $? -eq 1 ]
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+
+      - name: Write results to summary
+        run: |
+          if [ -s dry_run_output.txt ]; then
+            echo "# Packages to be published:" >> $GITHUB_STEP_SUMMARY
+            cat dry_run_output.txt >> $GITHUB_STEP_SUMMARY
+          else
+            echo "Nothing will be published" >> $GITHUB_STEP_SUMMARY
+          fi

.gitignore

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+# env
+.env
+.env.local
+.env.production
+.env.development
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+.yalc
+yalc.lock
+tsconfig.tsbuildinfo
+
+# production
+/build
+/dist