Improve package.json

package.json

@@ -1,21 +1,38 @@
 {
   "name": "sdf-2d",
   "version": "0.0.0",
-  "scripts": {
-    "start": "shx rm -rf lib/* && webpack --watch",
-    "build": "shx rm -rf lib/* && webpack --production"
-  },
-  "keywords": [],
-  "author": "András Schmelczer",
-  "browserslist": [
-    "defaults"
+  "description": "Graphics framework for efficiently handling 2D signed distance fields.",
+  "keywords": [
+    "webgl",
+    "glsl",
+    "sdf",
+    "2d",
+    "graphics",
+    "rendering",
+    "renderer",
+    "drawing",
+    "drawer"
   ],
+  "author": "András Schmelczer <andras@schmelczer.dev> (https://schmelczer.dev/)",
+  "homepage": "https://github.com/schmelczerandras/sdf-2d#readme",
+  "bugs": {
+    "url": "https://github.com/schmelczerandras/sdf-2d/issues",
+    "email": "andras@schmelczer.dev"
+  },
+  "license": "ISC",
+  "scripts": {
+    "start": "shx rm -rf lib/* && webpack --mode development -w",
+    "build": "shx rm -rf lib/* && webpack --mode production"
+  },
   "main": "lib/main.js",
-  "sideEffects": false,
   "types": "lib/src/main.d.ts",
   "files": [
     "lib"
   ],
+  "sideEffects": false,
+  "optimization": {
+    "usedExports": true
+  },
   "devDependencies": {
     "@typescript-eslint/eslint-plugin": "^3.10.1",
     "@typescript-eslint/parser": "^3.10.1",