fix: update doc_path to use SOURCE_DIRECTORY environment variable (#320)

Author: AlexanderLanin

src/incremental.py

@@ -89,7 +89,7 @@ def get_env(name: str) -> str:
         base_arguments.append(f"-A=github_user={args.github_user}")
         base_arguments.append(f"-A=github_repo={args.github_repo}")
         base_arguments.append("-A=github_version=main")
-        base_arguments.append("-A=doc_path=docs")
+        base_arguments.append(f"-A=doc_path='{get_env('SOURCE_DIRECTORY')}'")
 
     action = get_env("ACTION")
     if action == "live_preview":