chore(filesystem): capture latest filesystem changes

- Removed multiple toolbox directories (toolbox-QADocker, toolbox-dockstack, toolbox-qadocker)
- Created new toolbox-docstack directory
- Added .gitkeep to toolbox-qadocker directory to keep it tracked in git
- The filesystem structure continues to be the authoritative source of truth
- Preserved toolbox-qadocker directory in git with .gitkeep as requested for future work

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

ToolboxStack/output/toolbox-docstack/.devcontainer/devcontainer.json

@@ -0,0 +1,14 @@
+{
+  "name": "TSYSDevStack toolbox-DocStack",
+  "dockerComposeFile": [
+    "../docker-compose.yml"
+  ],
+  "service": "toolbox-DocStack",
+  "workspaceFolder": "/workspace",
+  "remoteUser": "toolbox",
+  "runServices": [
+    "toolbox-DocStack"
+  ],
+  "overrideCommand": false,
+  "postCreateCommand": "zsh -lc 'starship --version >/dev/null'"
+}