[Docs] Create Troubleshooting Guide for Local Development

[Abd-Standard]

Description

Document common setup issues and recommended fixes.

Acceptance Criteria
Covers dependency installation.
Includes environment variable examples.
Easy to follow for first-time contributors.

[Abd-Standard]

please allow me to fix this maintainer

[juanklowData]

Hi! I'm a Full Stack Developer with 10+ years of experience in React, Node.js, Python/Django, PostgreSQL and MongoDB. I have strong experience writing technical documentation and setting up development environments across multiple stacks.

My approach: I'll clone the repo, follow the existing setup from scratch to identify friction points, then write a clear TROUBLESHOOTING.md covering common errors, environment issues, and step-by-step fixes. I can submit the PR within 3 days.

[grantfox-oss]

🦊 GrantFox — @juanklowData has been assigned to this issue as part of the Official Campaign campaign!

Next steps:

1. Open a Pull Request referencing this issue (e.g., Closes #105)
2. Your PR will be reviewed by the Core-Foundry maintainers

Good luck! Track your progress on GrantFox.

[grantfox-oss]

🎉 This issue has been marked as completed on GrantFox as part of the Official Campaign campaign!

@juanklowData's PR #119 was approved and merged by @Abd-Standard.

🏆 @juanklowData: You earned 35 FoxPoints for this contribution! Your current tier: Explorer (48 total points). Track your full progress on GrantFox.

👏 Great work, @juanklowData! Keep contributing to Core-Foundry.