feat: add /version.json endpoint

Author: Joxit

rollup.config.js

@@ -43,6 +43,7 @@ const plugins = [
   copy({
     targets: [
       { src: 'src/fonts', dest: `${output}` },
+      { src: '.version.json', dest: `${output}`, rename: 'version.json' },
       { src: 'src/images/*', dest: `${output}/images`, transform: copyTransform },
     ],
   }),