Make the project a ESM module

.postcssrc.json

@@ -0,0 +1,10 @@
+{
+	"plugins": {
+		"postcss-css-variables": {},
+		"postcss-calc": {},
+		"autoprefixer": {},
+		"cssnano": {
+			"preset": "default"
+		}
+	}
+}

package.json

@@ -21,12 +21,11 @@
     "email": "nick@karamoff.dev",
     "url": "https://karamoff.dev"
   },
-  "main": "./dist/shareon.cjs",
-  "module": "./dist/shareon.mjs",
-  "unpkg": "./dist/shareon.min.js",
+	"type": "module",
+	"main": "./shareon.legacy.js",
+  "module": "./shareon.js",
   "exports": {
-    "require": "./dist/shareon.cjs",
-    "import": "./dist/shareon.mjs"
+		"import": "./shareon.js"
   },
   "files": [
     "shareon.css",

postcss.config.js

@@ -1,10 +0,0 @@
-module.exports = {
-  plugins: {
-    'postcss-css-variables': {},
-    'postcss-calc': {},
-    autoprefixer: {},
-    cssnano: {
-      preset: 'default',
-    },
-  },
-};