feat: add openim mongo logic

Signed-off-by: Xinwei Xiong (cubxxw) <3293172751nss@gmail.com>

.github/workflows/e2e-test.yml

@@ -102,7 +102,8 @@ jobs:
 
     - name: Exec OpenIM E2E Test
       run: |
-        echo "# OpenIM E2E Test" >> /tmp/test.md
+        echo "" >> /tmp/test.md
+        echo "## OpenIM E2E Test" >> /tmp/test.md
         echo "<details><summary>Command Output for OpenIM E2E Test</summary>" >> /tmp/test.md
         echo "```markdown" >> /tmp/test.md
         sudo make test-e2e | tee /tmp/test.md