Migrate issue templates to YAML and add contribution docs

Replaced Markdown issue templates with structured YAML templates for bug reports, feature requests, performance issues, deployment help, and platform support. Added .prettierrc.json and .prettierignore for code formatting, a detailed CONTRIBUTING.md, and a pull request template. Updated CODE_OF_CONDUCT.md and README.md to reference new contribution guidelines. Added ESLint config, test scripts, and initial test files to improve project maintainability and onboarding.

.prettierignore

@@ -0,0 +1,87 @@
+# Dependencies
+node_modules/
+.pnp
+.pnp.js
+
+# Production builds
+dist/
+build/
+
+# Environment files
+.env
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# Logs
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# Coverage directory used by tools like istanbul
+coverage/
+*.lcov
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Storybook build outputs
+.out
+.storybook-out
+
+# Temporary folders
+tmp/
+temp/
+
+# Editor directories and files
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS generated files
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+# Wrangler
+.wrangler/
+
+# Git
+.git/
+
+# Lock files (optional - uncomment if you want to format them)
+# package-lock.json
+# yarn.lock
+# pnpm-lock.yaml