dev: add release action

.github/workflows/release.yml

@@ -0,0 +1,66 @@
+name: Build and Release mdbook
+
+permissions:
+  contents: write
+  pages: write
+  id-token: write
+
+on:
+  push:
+    tags:
+      - v*
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 9
+
+      - name: Install mdbook
+        run: |
+          mkdir bin
+          curl -sSL https://github.com/rust-lang/mdBook/releases/download/v0.4.42/mdbook-v0.4.42-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=bin
+          echo "$(pwd)/bin" >> ${GITHUB_PATH}
+
+      - name: Install mdbook-i18n-helpers
+        run: |
+          cargo install mdbook-i18n-helpers --locked --version 0.3.4
+
+      - name: Install mdbook-cairo
+        run: |
+          cargo install --git https://github.com/enitrat/mdbook-cairo
+
+      - name: Install asdf & tools
+        uses: asdf-vm/actions/install@v3
+
+      - name: Set default scarb version
+        run: asdf global scarb $(cat .tool-versions | grep scarb | cut -d ' ' -f 2)
+
+      - name: Set default starknet-foundry version
+        run: asdf global starknet-foundry $(cat .tool-versions | grep starknet-foundry | cut -d ' ' -f 2)
+
+      - name: Add binary paths to PATH
+        run: |
+          echo "$HOME/.cargo/bin" >> $GITHUB_PATH
+          echo "$HOME/.local/bin" >> $GITHUB_PATH
+        shell: bash
+
+      - name: Build book (English)
+        run: mdbook build -d book
+
+      - name: Create ZIP file
+        run: zip -r markdown-output.zip book/markdown
+
+      - name: Release
+        uses: softprops/action-gh-release@v2
+        with:
+          files: markdown-output.zip
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}