fix: enable packaging with pnpm

vsce does not support packaging with pnpm without additional workarounds (microsoft/vscode-vsce#421)

package.json

@@ -2,7 +2,7 @@
   "name": "nationstates-nscode",
   "displayName": "NationStates NSCode",
   "description": "Syntax highlighting for NationStates NSCode",
-  "version": "0.0.1",
+  "version": "0.1.0",
   "repository": {
     "type": "git",
     "url": "https://github.com/esfalsa/vscode-nscode.git"
@@ -43,18 +43,19 @@
     ]
   },
   "scripts": {
+    "compile": "esbuild ./src/extension.ts --bundle --outfile=out/extension.js --external:vscode --format=cjs --platform=node",
+    "watch": "pnpm run compile --watch",
     "fmt": "prettier --write .",
-    "package": "vsce package",
+    "lint": "eslint src",
     "vscode:prepublish": "pnpm run compile",
-    "compile": "tsc -p ./",
-    "watch": "tsc -watch -p ./",
-    "lint": "eslint src"
+    "package": "vsce package --no-dependencies"
   },
   "devDependencies": {
     "@eslint/js": "^9.5.0",
     "@types/node": "^20.14.6",
     "@types/vscode": "^1.90.0",
     "@vscode/vsce": "^2.29.0",
+    "esbuild": "^0.21.5",
     "eslint": "9.x",
     "prettier": "^3.3.2",
     "typescript": "^5.5.2",