feat: Add map action buttons (without zoom to pin group)

Closes MIN-183

Objective

Implement zoom in/out buttons + location button (fit bounds)

What has been implemented:

• zoom in/out/location buttons component
• zoom in/out actions handlers
• universal reducer for easy zoom increasing/decreasing
• unit tests

What has not been done:

• fit bounds action (zoom in to currently rendered pins). It'll be done in next PR