EGD-4202 Adding missing images gui docs (#935)

* Adding missing images to gui module docs

[EGD 4142] Creating i18n article (#902)

* Added first draft of i18n article

[EGD-3743] Update copyrights in fies

added screenshots

[EGD-4022] Update Docker image

Added links, corrected small typos, etc. (#809)

Fixed links, added new README draft, etc.

Doc updated for UI and removed some doc for bluetooth

* removed taglib doc build, main readme shown by default on start
* made better diagrams for UI shown in doxygen
* removed old docs for bluetooth

[EGD-3739] Rewriting boot and update article (#790)

Rewriting boot and update article

[EGD-3991] Rewrite clean phone update (#791)

Rewrote the article, moved it to Confluence and removed it from GitHub

Rewriting key bindings on Linux article (#780)

[EGD-3735] Running MuditaOS on Mudita Pure article rewrite (#770)

Running on phone article rewritten

[EDG-3982] Removed unnecessary files, some of the moved to Confluence (#786)

Removed unnecessary files, some of the moved to Confluence

[EGD-3734] Rewriting release.md (#792)

Release.md small fixes

[EGD-3840] All quickstarts in one document - rewritten and polished. (#754)

All quickstarts in one document - rewritten and polished

[EGD-3866] CLion config doc fix

Egd 3728 New drafts of README.md, doc/README.md and Configuring IDE article rewritten (#705)

New README.md structure, Configuring IDE rewrite.

[EGD-2974] Support for temporary contacts as a group

Changes to `Development workflow` article and a brand new `How to contribute to MuditaOS` article (#673)

New `Development workflow`, `How to contribute`, and `How to edit changelog` articles.

Co-authored-by: Wojtek Cichoń <wojciech.cichon@mudita.com>
Co-authored-by: Łukasz Anwajler <lukasz@anwajler.com>

EGD-3567
documentation for flashing a clean phone without a bootloader

[EGD-3594] update of development workflow