feat(treelock,gofs): introduce the tree locking mechanism.

Author: aegistudio

.github/workflows/test.yml

@@ -23,4 +23,14 @@ jobs:
 
       - name: "run tests"
         run: |
-          go test ./...
+          go test -coverprofile="coverage.out" -v ./...
+
+      - name: "generate coverage report"
+        run: |
+          go tool cover -html="coverage.out" -o "coverage.html"
+
+      - name: "upload artifact"
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage.html
+          path: coverage.html

.gitignore

@@ -1 +1,4 @@
 *.exe
+
+coverage.out
+coverage.html