[FEATURE] Show hide components

[Lissy93]

Category: Feature

Overview
Adds several new attributes into the config (under appConfig.hideComponents) to enable users to disable components that they do not need or want. This includes: Heading, Nav menu, Search bar, Settings box and footer. Also moved the splash screen attr into this object for consistency. All components are visible by default, but the user can disable those they don't want on a per-component basis, using these options. Because of this, the update will not have any effect on users, until they add these values into their config file.

As well as the feature, I've also refactored the Config Accumulator, turning it from a series of functions, into a Class. This improves efficiency, as the config file is only processed once (when the class is initiated), rather than one time for each call.

Issue Number N/A

New Vars (if applicable)

A new (optional) object variable called hideComponents has been added under appConfig. This includes the following fields:

Field	Type	Required	Description
hideHeading	boolean	Optional	If set to true, the page title & sub-title will not be visible. Defaults to false
hideNav	boolean	Optional	If set to true, the navigation menu will not be visible. Defaults to false
hideSearch	boolean	Optional	If set to true, the search bar will not be visible. Defaults to false
hideSettings	boolean	Optional	If set to true, the settings menu will not be visible. Defaults to false
hideFooter	boolean	Optional	If set to true, the footer will not be visible. Defaults to false
hideSplashScreen	boolean	Optional	If set to true, splash screen will not be visible while the app loads. Defaults to true (except on first load, when the loading screen is always shown)

Screenshot: N/A

Code Quality Checklist (Please complete)

• All changes are backwards compatible
• All lint checks and tests are passing
• There are no (new) build warnings or errors
• (If a new config option is added) Attribute is outlined in the schema and documented
• (If a new dependency is added) Package is essential, and has been checked out for security or performance

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