Fix lights

package.json

@@ -19,6 +19,10 @@
     "url": "https://github.com/schmelczerandras/sdf-2d/issues",
     "email": "andras@schmelczer.dev"
   },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/schmelczerandras/sdf-2d.git"
+  },
   "license": "ISC",
   "scripts": {
     "start": "shx rm -rf lib/* && webpack --mode development -w",
@@ -30,10 +34,11 @@
     "lib"
   ],
   "sideEffects": false,
-  "optimization": {
-    "usedExports": true
+  "dependencies": {
+    "gl-matrix": "^3.3.0"
   },
   "devDependencies": {
+    "@types/gl-matrix": "^2.4.5",
     "@typescript-eslint/eslint-plugin": "^3.10.1",
     "@typescript-eslint/parser": "^3.10.1",
     "eslint": "^7.9.0",
@@ -41,7 +46,6 @@
     "eslint-plugin-import": "^2.22.0",
     "eslint-plugin-prettier": "^3.1.4",
     "eslint-plugin-unused-imports": "^0.1.3",
-    "gl-matrix": "^3.3.0",
     "prettier": "^2.1.2",
     "raw-loader": "^4.0.1",
     "shx": "^0.3.2",