✨feature: First working version

package.json

@@ -9,7 +9,11 @@
   "categories": [
     "Other"
   ],
-  "activationEvents": [],
+  "activationEvents": [
+    "onStartupFinished",
+    "onView:roadmapChecklist",
+    "workspaceContains:Development Checklist.md"
+  ],
   "main": "./dist/extension.js",
   "contributes": {
     "commands": [
@@ -17,7 +21,25 @@
         "command": "vscode-project-roadmap.helloWorld",
         "title": "Hello World"
       }
-    ]
+    ],
+    "viewsContainers": {
+      "activitybar": [
+        {
+          "id": "roadmapSidebar",
+          "title": "Roadmap",
+          "icon": "media/roadmap.svg"
+        }
+      ]
+    },
+    "views": {
+      "roadmapSidebar": [
+        {
+          "id": "roadmapChecklist",
+          "name": "Checklist",
+          "icon": "media/roadmap.svg"
+        }
+      ]
+    }
   },
   "scripts": {
     "vscode:prepublish": "npm run package",