feat: add Prisma seed script for database initialization

[SainiAdi-04]

Summary

This PR adds a Prisma seed script to populate the database with example data for organizations, projects, and waitlist entries. The seed is idempotent and can be safely re-run.
Closes: #77 Prisma seed script

Changes

• Added prisma/seed.ts with idempotent upsert logic
• Added support for seeding organizations, projects, and waitlist entries
• Enabled running seeds via pnpm prisma db seed

Setup Notes

During setup, the following were required:

• Install tsx to run the TypeScript seed file
• Use .env instead of .env.local for Prisma
• Ensure the MongoDB connection string includes a database name

Testing

pnpm install
pnpm prisma generate
pnpm prisma db seed

Checklist

• One logical change per PR
• PR description is complete
• No refactors without prior discussion
• Follows existing project structure

Summary by CodeRabbit

• Chores
  • Added automated database seeding capability to support development and testing environments with pre-configured example data
  • Configured TypeScript-based seed script execution for data initialization
  • Added TypeScript execution tool to development dependencies
  • Updated version control configuration to exclude IDE workspace settings from repository tracking

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Warning

.coderabbit.yaml has a parsing error

The CodeRabbit configuration file in this repository has a parsing error and default settings were used instead. Please fix the error(s) in the configuration file. You can initialize chat with CodeRabbit to get help with the configuration file.

💥 Parsing errors (1)

Validation error: Expected 'de' | 'de-DE' | 'de-AT' | 'de-CH' | 'en' | 'en-US' | 'en-AU' | 'en-GB' | 'en-CA' | 'en-NZ' | 'en-ZA' | 'es' | 'es-AR' | 'fr' | 'fr-CA' | 'fr-CH' | 'fr-BE' | 'nl' | 'nl-BE' | 'pt-AO' | 'pt' | 'pt-BR' | 'pt-MZ' | 'pt-PT' | 'ar' | 'ast-ES' | 'ast' | 'be-BY' | 'be' | 'br-FR' | 'br' | 'ca-ES' | 'ca' | 'ca-ES-valencia' | 'ca-ES-balear' | 'da-DK' | 'da' | 'de-DE-x-simple-language' | 'el-GR' | 'el' | 'eo' | 'fa' | 'ga-IE' | 'ga' | 'gl-ES' | 'gl' | 'it' | 'ja-JP' | 'ja' | 'km-KH' | 'km' | 'ko-KR' | 'ko' | 'pl-PL' | 'pl' | 'ro-RO' | 'ro' | 'ru-RU' | 'ru' | 'sk-SK' | 'sk' | 'sl-SI' | 'sl' | 'sv' | 'ta-IN' | 'ta' | 'tl-PH' | 'tl' | 'tr' | 'uk-UA' | 'uk' | 'zh-CN' | 'zh' | 'crh-UA' | 'crh' | 'cs-CZ' | 'cs' | 'nb' | 'no' | 'nl-NL' | 'de-DE-x-simple-language-DE' | 'es-ES' | 'it-IT' | 'fa-IR' | 'sv-SE' | 'de-LU' | 'fr-FR' | 'bg-BG' | 'bg' | 'he-IL' | 'he' | 'hi-IN' | 'hi' | 'vi-VN' | 'vi' | 'th-TH' | 'th' | 'bn-BD' | 'bn', received object at "language"

⚙️ Configuration instructions

• Please see the configuration documentation for more information.
• You can also validate your configuration using the online YAML validator.
• If your editor has YAML language server enabled, you can add the path at the top of this file to enable auto-completion and validation: # yaml-language-server: $schema=https://coderabbit.ai/integrations/schema.v2.json

Walkthrough

This PR establishes Prisma database seeding capability by configuring a seed script in package.json, adding the tsx dependency, and implementing a seed.ts file that idempotently populates an example organization, project, and waitlist entry. Also ignores .vscode/ directory.

Changes

Cohort / File(s)	Summary
Version Control \.gitignore	Adds .vscode/ to excluded paths
Package Configuration package.json	Adds db:seed npm script pointing to prisma db seed; adds Prisma seed configuration targeting prisma/seed.ts; introduces tsx (^4.21.0) as both development and direct dependency
Database Seeding prisma/seed.ts	New seed script with idempotent upsert operations for example organization (including metadata, images, social links, stats, technologies, topics, and years), linked example project (with codes, HTML, mentor/contributor references), and waitlist entry; includes proper PrismaClient initialization, logging, error handling, and cleanup

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Poem

🐰 With a hop and a skip, the seeds now take flight,
Database gardens growing from code, oh what a sight!
.vscode tucked away, tsx bundled with care,
Organizations sprouting from Prisma's seed layer,
A warren of data, seeded so fair! 🌱✨

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately and clearly describes the main objective: adding a Prisma seed script for database initialization, which is the primary focus of all changes.
Description check	✅ Passed	The description covers all required template sections with clear summary, testing instructions, and completed checklist items; minor documentation of setup requirements is present.
Linked Issues check	✅ Passed	The pull request successfully implements the objective from issue #77 by providing a configured Prisma seed script that enables npx/pnpm prisma db seed to populate organizations and related data.
Out of Scope Changes check	✅ Passed	All changes are directly scoped to the seed script implementation: .gitignore configuration, package.json seed setup, and the seed script file itself; no unrelated modifications detected.

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✨ Finishing touches

• 📝 Generate docstrings

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