Bug fix small issues

[Lissy93]

Please check the type of change your PR introduces:

• Bugfix
• Feature
• Build related changes
• Refactoring (no functional changes, no api changes)
• Code style update (formatting, renaming)
• Documentation content changes
• Other (please describe):

Issue Number (if applicable): #19

Briefley outline your changes:

• Improves github PR and issue templates
• Shortens readme file
• Adds documentation in the docs folder
• Fixes [Mobile] Layout tab not showing in portrait #19 - Settings not displaying on smaller devices
• Improves mobile performance for both the settings, config and backup pop-ups
• Fixes issue where theme not applied on load when the settings are hidden
• Adds minimum dimensions to modals

Before submitting, please ensure that:

• Must be backwards compatible
• All lint checks and tests must pass
• [] If a new option in the the config file is added, it needs to be added into the schema, and documented in the configuring guide
• If a new dependency is required, it must be essential, and it must be thoroughly checked out for security or efficiency issues