Feat/insforge integration

[tonychang04]

Summary

Brief description of what this PR does and why.

Add InsForge backend-as-a-service integration as a new tool block in Sim Studio. This enables users to connect to their InsForge backend and perform:

• Database operations: Query, Get Row, Insert, Update, Delete, Upsert (via PostgREST)
• Storage operations: Upload, Download, List, Delete files
• Serverless functions: Invoke edge functions with configurable HTTP methods
• AI capabilities: Chat completions, Image generation Fixes #(issue)

Type of Change

• [ ] Bug fix
• [x] New feature
• [ ] Breaking change
• [ ] Documentation
• [ ] Other: ___________

Testing

How has this been tested? What should reviewers focus on?

Focus on the funcionalities

Checklist

• [x] Code follows project style guidelines
• [x] Self-reviewed my changes
• [ ] Tests added/updated and passing
• [ ] No new warnings introduced
• [ ] I confirm that I have read and agree to the terms outlined in the Contributor License Agreement (CLA)

Screenshots/Videos