Feature/Use fastify instead of express (#1)

- Replaced Apollo Server with Mercurius for GraphQL API
- Updated resolvers to use Mercurius-compatible GraphQL implementation
- Migrated from Express to Fastify for server framework
- Improved error handling with GraphQL error extensions
- Added Zod for environment variable validation
- Updated Prisma schema and migrations
- Configured CORS and WebSocket subscriptions
- Simplified GraphQL schema and resolver structure
- Enhanced type safety and code organization
- Replaced Apollo Server with Mercurius for GraphQL API
- Updated resolvers to use Mercurius-compatible GraphQL implementation
- Migrated from Express to Fastify for server framework
- Improved error handling with GraphQL error extensions
- Added Zod for environment variable validation
- Updated Prisma schema and migrations
- Configured CORS and WebSocket subscriptions
- Simplified GraphQL schema and resolver structure
- Enhanced type safety and code organization

Reviewed-on: #1
Co-authored-by: Jusemon <juansmm@outlook.com>
Co-committed-by: Jusemon <juansmm@outlook.com>

packages/eslint-config/solid.js

@@ -0,0 +1,23 @@
+import js from '@eslint/js';
+import solid from 'eslint-plugin-solid/configs/typescript';
+import * as tsParser from '@typescript-eslint/parser';
+import { config as baseConfig } from './base.js';
+
+/**
+ * A custom ESLint configuration for libraries that use Solid.
+ *
+ * @type {import("eslint").Linter.Config[]} */
+export const config = [
+  ...baseConfig,
+  js.configs.recommended,
+  {
+    files: ['**/*.{ts,tsx}'],
+    ...solid,
+    languageOptions: {
+      parser: tsParser,
+      parserOptions: {
+        project: 'tsconfig.json',
+      },
+    },
+  },
+];