Add custom type definition (#19)

* Add custom type definition file based on the @types/dropzome DefinitelyTyped definition and no longer generate types from JavaScript

* Use cp to copy type definition

package.json

@@ -39,7 +39,7 @@
   ],
   "scripts": {
     "watch": "parcel watch",
-    "build": "parcel build && yarn run css && tsc",
+    "build": "parcel build && yarn run css && cp types/dropzone.d.ts dist",
     "css": "yarn sass src/:dist/ --style compressed",
     "watch-css": "yarn sass src/:dist/ --watch --style compressed",
     "test": "karma start test/karma.conf.js",
@@ -77,8 +77,7 @@
     "parcel": "^2.12.0",
     "sass": "^1.79.3",
     "sinon": "^18.0.1",
-    "sinon-chai": "^3.7.0",
-    "typescript": "^5.4.5"
+    "sinon-chai": "^3.7.0"
   },
   "packageManager": "[email protected]"
 }