feat: wip documentation

[DanielHe4rt]

My goal is to finish the documentation based on what I'm doing on the current project that I'm building.

• [x] Command: Create a todo;
• [x] Command: Read a todo from database;
• [x] Command: Update a todo from database;
• [x] Command: Delete a todo from database;
• [x] Command: Maximum Throughput;
• [ ] Command: Migrate CQL files to the Keyspace;
• [x] Command: Exit App;

[DanielHe4rt]

Btw I don't know why insn't rendering on preview mode.

Probably you will need to clone it to see everything.