Expand Gotlin language and tooling

tools/vscode-gotlin/package.json

@@ -1,8 +1,8 @@
 {
   "name": "gotlin-vscode",
   "displayName": "Gotlin",
-  "description": "VS Code support for Gotlin (.gt) files",
-  "version": "0.0.1",
+  "description": "Gotlin language support with syntax highlighting, snippets, and LSP integration",
+  "version": "0.1.0",
   "publisher": "local",
   "license": "UNLICENSED",
   "engines": {
@@ -12,7 +12,7 @@
     "Programming Languages"
   ],
   "activationEvents": [
-
+    "onLanguage:gotlin"
   ],
   "main": "./out/extension.js",
   "contributes": {
@@ -60,7 +60,9 @@
   },
   "scripts": {
     "build": "tsc -p .",
-    "watch": "tsc -w -p ."
+    "watch": "tsc -w -p .",
+    "test": "node scripts/validate.js",
+    "check": "npm run build && npm test"
   },
   "dependencies": {
     "vscode-languageclient": "^9.0.1"