Syawal update (pre)

Changelog (Pre-release, aka beta)

• ➕ email_validator: ^2.0.1. The feedback will not send if incorrect email format is entered. However, user still can leave the email field completely empty.
• Added Frequently Asked Questions (FAQs) page
• [CODE] Add @required annotation in launch url method.

• Add SizedBox widget at the bottom of setting page to give it breathable space.

• Bring back the copyright information in About Page.
• Set addDefaultShareMenuItem to true and set colour navigationBarColor for Chrome Custom Tabs

• Tell user that they will receive a copy of their response if email address is provided.

• [Project] Delete unused .firebase and .fvm folder.

Next up (in future update)

• Finalize Faq page.
• Add Remote Config to solve inconsistent hijri offset. #54
• Code cleanup maybe?

Please find the apk(s) below.