fix: cannot find module TypeScript error

Adds the types field back to the package.json file to prevent the "Cannot find module 'yet-another-color-picker' or its corresponding type declarations." error.

Author: kleinfreund

package.json

@@ -29,6 +29,7 @@
 		},
 		"./styles": "./dist/ColorPicker.css"
 	},
+	"types": "./dist/ColorPicker.d.ts",
 	"files": [
 		"dist/ColorPicker.css",
 		"dist/ColorPicker.js",