[BH-591] Add Spinner Widget

Adding spinner widget.

[BH-379] Librarize application-calculator

Librarize application-calculator

[EGD-7018] Fixed text empty block removal at end

Fixed text empty block removal at end.

[EGD-7015] Revert "test"

This reverts commit fa653f9243fbf7f334624bd59cfba53a2584f9c4.

[EGD-6883] Change time settings cleanup

Time related settings are handled by service time now.
utils DateAndTimeSettings replaced by static time service api.

test

[EGD-6958] Fix rssibar oor exception

This commit fixes out of range exception for rssi indication on topbar.

[EGD-6950] Added header layout

Added Header Layout.

[EGD-6697] Date and time formatting

Added system locale dependant date and time formatting.

[EGD-6960] Header addition related style cleanups

Header addition related style cleanups.

[BH-372] Turned i18n into separate library

Turned i18n module into separate library moving source files, test
files and creating separate CMakeLists.txt, fixed other modules
link targets, fixed paths and sorted some lists

[EGD-6918] Timestamp clean up

Removal of not needed methods
Addition of unit tests
Fixes according to newst design guidelines
Added new seprate interface cmake lib for time constants

[EGD-2949] Fix fallback image

Added fallback image in case
of missing image asset

[EGD-4384] Status bar roaming indicator

Added indicator to let know the user if he is in roaming mode.

[BH-393] Create separate math lib

Create separate math lib from Math.hpp file.

Merge branch 'master' into stable

[BH-373] Convert utils json into a lib

Moving json to a third-party standalone library.

[BH-353] Add Documentation for main targets

* clean up mimimu required cmake version
* fixes for release workflow

Add documentation for targets, fixes for cmake
and release workflow.

Merge branch 'master' into stable

[BH-376] Utils time turned to separate library

Turned module-utils/time folder content into separate library,
cleaned up CMake libs dependencies, fixed include paths