feat(button placeholders top-component): added button placeholders for top bar component

Description

Added two placeholder buttons at top bar

requested review from @mateuszmiko

approved this merge request

added 3 commits

• 5f5ec891...837233d8 - 2 commits from branch development
• 5c92dfbb - Merge branch 'development' into feature/buttons-top-bar

Compare with previous version

added 7 commits

• 5c92dfbb...43997b92 - 6 commits from branch development
• a2e1dac8 - Merge branch 'development' into feature/buttons-top-bar

Compare with previous version

mentioned in commit f65ae074

merged