Add Repository Health Check Script

[Abd-Standard]

Description

Create a developer utility that checks common local prerequisites before running the full NotifyChain development environment.

Acceptance Criteria

Required runtimes are checked.

Required package managers/tools are checked.

Missing prerequisites produce actionable messages.

The script does not modify the developer's environment automatically.

[abikedaniel22]

@abikedaniel22 has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Hi Maintainer,
I would like to contribute to this project.
Abeg

ℹ️ Repo Maintainers: To accept this application, review their application or assign @abikedaniel22 to this issue.

[Emmajay12]

@Emmajay12 has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Hey, can I pick this up?

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Emmajay12 to this issue.