docs: add managing userguide

[dtdang]

What I did

Make a new userguide for managing the platform.

fixes: #

How I did it

How to verify it

Checklist

• Passes all linting checks (pre-commit and CI jobs)
• New test cases have been added and are passing
• Documentation has been updated
• PR title follows Conventional Commit standard (will be automatically included in the changelog)

[Ninjagod1251]

## Quick Commands

Below are commonly used Silverback commands that may be helpful in quickly setting up and managing your cluster. These commands were used frequently in practice and are provided for easy reference.

Create a new cluster: `silverback cluster new ApeWorX -p staging -n Demo -s demo`

Adds time to a cluster: `silverback cluster pay create -p staging echodemo/demo --time "1 hour" --account testnet`

`silverback cluster new playground -p staging -n Demo -s demo` doesnt work, 

List available clusters: `silverback cluster list playground -p staging` list cluster.

Note: `foundryup` make sure it is up to date

View bot logs: `silverback cluster bots logs erc4626 -p staging -c ApeWorX/staging`: get the log of the bot

Start a bot: `silverback cluster bots new erc4626 -i ghcr.io/apeacademy/silverback_yield:latest -c ApeWorX/staging -n ethereum:mainnet:alchemy -p staging -g erc4626`

here are some common commands i used