support output llms.txt

Signed-off-by: Weizhen Wang <wangweizhen@pingcap.com>

Author: hawkingrei

.github/workflows/presubmit.yml

@@ -0,0 +1,21 @@
+name: presubmit
+
+on:
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  presubmit:
+    name: Presubmit Tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Setup mdBook
+        shell: bash
+        run: |
+            rm -rf ~/.cargo/registry
+            cargo version
+            cargo install mdbook-llms-txt-tools mdbook@0.4.52
+
+      - run: mdbook build

.github/workflows/publish.yml

@@ -11,15 +11,21 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Setup mdBook
-        uses: peaceiris/actions-mdbook@v1
-        with:
-          mdbook-version: 'latest'
+        shell: bash
+        run: |
+            rm -rf ~/.cargo/registry
+            cargo version
+            cargo install mdbook-llms-txt-tools mdbook@0.4.52
 
       - run: mdbook build
+      - name: Fix the llms.txt location
+        run: |
+          mv book/llms-txt/llms.txt book/html/llms.txt
+          mv book/llms-txt-full/llms-full.txt book/html/llms-full.txt
 
       - name: Deploy
         uses: peaceiris/actions-gh-pages@v3
         if: github.ref == 'refs/heads/master'
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: ./book
+          publish_dir: ./book/html

README.md

@@ -26,18 +26,18 @@ your web browser.
 
 _Firefox:_
 ```bash
-$ firefox book/index.html                       # Linux
-$ open -a "Firefox" book/index.html             # OS X
-$ Start-Process "firefox.exe" .\book\index.html # Windows (PowerShell)
-$ start firefox.exe .\book\index.html           # Windows (Cmd)
+$ firefox book/html/index.html                       # Linux
+$ open -a "Firefox" book/html/index.html             # OS X
+$ Start-Process "firefox.exe" .\book\html\index.html # Windows (PowerShell)
+$ start firefox.exe .\book\html\index.html           # Windows (Cmd)
 ```
 
 _Chrome:_
 ```bash
-$ google-chrome book/index.html                 # Linux
-$ open -a "Google Chrome" book/index.html       # OS X
-$ Start-Process "chrome.exe" .\book\index.html  # Windows (PowerShell)
-$ start chrome.exe .\book\index.html            # Windows (Cmd)
+$ google-chrome book/html/index.html                 # Linux
+$ open -a "Google Chrome" book/html/index.html       # OS X
+$ Start-Process "chrome.exe" .\book\html\index.html  # Windows (PowerShell)
+$ start chrome.exe .\book\html\index.html            # Windows (Cmd)
 ```
 
 ## Contribute to this guide

book.toml

@@ -3,3 +3,7 @@ title = "TiDB Development Guide"
 
 [output.html]
 git-repository-url = "https://github.com/pingcap/tidb-dev-guide"
+
+[output.llms-txt]
+
+[output.llms-txt-full]