298 add missing commands for the vested staking

[Vitomir2]

Description

• update the bindings to include the stakeWithVesting and getValidator;
• add new flags - vesting and vesting-period, and verify the period to e in the valid period;
• create a new createStakeTransaction function in order to make the code more readable and cleaner;
• optimize the code in the logs loop;
• make the amount flag mandatory;
• mark flags mutually exclusive with the delegate flag;
• make a MaxVestingPeriod constant in the sidechain helper;
• fix the conditions in the commission command event handling;
• rename stakeManager -> hydraStaking in the register_validator to avoid confusion;
• create ValidatorStatus enum and GetStatus function in the validator package;
• create a new getValidatorInfo helper function to get the data that I need;
• update docs;

Changes include

• Bugfix (non-breaking change that solves an issue)
• Hotfix (change that solves an urgent issue, and requires immediate attention)
• New feature (non-breaking change that adds functionality)
• Breaking change (change that is not backwards-compatible and/or changes current functionality)

Checklist

• I have assigned this PR to myself
• I have added at least 1 reviewer
• I have added the relevant labels
• I have updated the official documentation
• I have added sufficient documentation in code

Testing

• I have tested this code with the official test suite
• I have tested this code manually