Add tool to inspect the database and perform some action

[samuelmanzanera]

Is your feature request related to a problem?

Sometime we want to interact with the local db without having to run a node and to perform some complex query. Because the database is implemented over files and binary format this task tends to be a difficult one.

Describe the solution you'd like

I propose to have Mix task to support this kind of job with some first commands:

• get transaction
• list transaction addresses
• list chains
• get transaction chain
• get beacon chain addresses
• remove transaction

Additional context

No response

Epic

#261