feat: add edit on github link

.github/workflows/ci.yml

@@ -26,6 +26,10 @@ jobs:
         with:
           command: install
           args: mdbook-linkcheck
+      - uses: actions-rs/cargo@v1
+        with:
+          command: install
+          args: mdbook-open-on-gh
       - run: ./mdbook test
       - run: ./mdbook build
 
@@ -44,5 +48,9 @@ jobs:
         with:
           command: install
           args: mdbook-linkcheck
+      - uses: actions-rs/cargo@v1
+        with:
+          command: install
+          args: mdbook-open-on-gh
       - run: ./mdbook build
       - run: ./ci/deploy.sh

book.toml

@@ -3,9 +3,15 @@ title = "Bagua Tutorials"
 description = "Guide on how to use Bagua, a deep learning distributed training framework"
 author = "Kuaishou AI Platform & DS3 Lab <[email protected]>"
 
+[preprocessor.open-git-repo]
+command = "mdbook-open-on-gh"
+renderer = ["html"]
+
 [output.linkcheck]
 
 [output.html]
 follow-web-links = true
 traverse-parent-directories = false
 warning-policy = "error"
+git-repository-url = "https://github.com/BaguaSys/tutorials"
+additional-css = ["open-in.css"]

open-in.css

@@ -0,0 +1,6 @@
+footer {
+  font-size: 0.8em;
+  text-align: center;
+  border-top: 1px solid black;
+  padding: 5px 0;
+}