feat(frontend): refactor and modernize welcome page (#3614)

* feat(frontend): refactor and modernize welcome page - also fixes navbar issue.

Closes: #1533

* fix(frontend): lint issues & use standard variables instead of the constants from error.vue

* fix(frontend): remove creator count as it's not a count of all users

* fix(frontend): lang reshuffle

* feat: rinthbot

* fix: lint issues

* fix: sizing of bot on mobile & scss cleanup for error.vue

* fix: lint issues

* fix: ui lint

packages/assets/icons.d.ts

@@ -4,3 +4,8 @@ declare module '*.svg?component' {
   const src: FunctionalComponent<SVGAttributes>
   export default src
 }
+
+declare module '*.webp' {
+  const src: string
+  export default src
+}