Fix/everything

Fix every bug that has been currently found and then some

Feature: Fix for everything

Related issues: Everything

👉 Video Validation

👉 Responsiveness fixed for all pages

👉 Webview fix, now works on web

👉 Exam result screen now shows exam's result correctly

👉 Fixed inconsistent header names

👉 Exam result back button goes back to home now

👉 Fixed crash when entering content screen

👉 "All" category removed as a tag

WATCH OUT FOR THIS! DO NOT MERGE IF YOU DON'T KNOW WHAT YOU'RE DOING!

Edited Jun 17, 2022 by Gabriel Castro Silva