chore: add a test task to run test-tmux.sh

.vscode/tasks.json

@@ -50,6 +50,14 @@
       "command": "${workspaceFolder}/.bin/create-home-tarball.sh",
       "problemMatcher": [],
       "detail": "create home.tar.gz from .config .local .ssh start.sh"
+    },
+    {
+      "label": "Start a tmux test session",
+      "type": "shell",
+      "group": "test",
+      "command": "${workspaceFolder}/.bin/test-tmux.sh",
+      "problemMatcher": [],
+      "detail": "run tmux with project room as home"
     }
   ],
   "inputs": []