Moved code into src folder. Added build for component library.

rollup.tracker.config.js

@@ -1,21 +0,0 @@
-import 'dotenv/config';
-import buble from '@rollup/plugin-buble';
-import replace from '@rollup/plugin-replace';
-import { terser } from 'rollup-plugin-terser';
-
-export default {
-  input: 'tracker/index.js',
-  output: {
-    file: 'public/script.js',
-    format: 'iife',
-  },
-  plugins: [
-    replace({
-      '/api/send': process.env.COLLECT_API_ENDPOINT || '/api/send',
-      delimiters: ['', ''],
-      preventAssignment: true,
-    }),
-    buble({ objectAssign: true }),
-    terser({ compress: { evaluate: false } }),
-  ],
-};