* base implementation of entity
* refactor other components to make use of BlockEntity
* tests
* migrate entities w/o icon + L2 blocks
* base implementation of tx entity
* delet TransactionSnippet
* remove type="transaction" from AddressLink
* tests for TxEntity
* make EntityBase components
* common styles for icon color and spacing to text
* update icon color in tests
* update icons to slime format
* Address entity
isstuev