fix: include src to npm package

Author: MiroslavDionisiev

packages/scratch-render/package.json

@@ -16,7 +16,7 @@
     "node": "./dist/node/scratch-render.js",
     "default": "./src/index.js"
   },
-  "files": ["dist"],
+  "files": ["dist", "src"],
   "scripts": {
     "build": "webpack --progress",
     "docs": "jsdoc -c .jsdoc.json",

packages/scratch-svg-renderer/package.json

@@ -10,7 +10,7 @@
     "node": "./dist/node/scratch-svg-renderer.js",
     "default": "./src/index.js"
   },
-  "files": ["dist"],
+  "files": ["dist", "src"],
   "scripts": {
     "build": "npm run clean && webpack",
     "clean": "rimraf ./dist",

packages/scratch-vm/package.json

@@ -17,7 +17,7 @@
     "node": "./dist/node/scratch-vm.js",
     "default": "./src/index.js"
   },
-  "files": ["dist"],
+  "files": ["dist", "src"],
   "scripts": {
     "build": "npm run docs && webpack --progress",
     "coverage": "tap ./test/{unit,integration}/*.js --coverage --coverage-report=lcov",