Added api doc

- Added zoraxy_plugin module api doc generating script
- Added link to example source folder
- Fixed a few minor typo

docs/plugins/dev.sh

@@ -3,4 +3,10 @@ go build
 # Run the Go program with the specified arguments
 ./docs.exe -m=build
 
-./docs.exe
+echo "Running docs in development mode..."
+./docs.exe
+
+# After the docs web server mode terminate, rebuild it with root = plugins/html/
+./docs.exe -m=build -root=plugins/html/
+
+# The doc should always be ready to push to release branch