feat: exposed finance client

Author: hentrymartin

packages/finance-prisma-client/.npmignore

@@ -0,0 +1,8 @@
+src/
+tsconfig.json
+*.ts
+!*.d.ts
+node_modules/
+.git/
+.gitignore
+.npmignore

packages/finance-prisma-client/README.md

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+# @topcoder/finance-prisma-client
+
+Prisma client package for TopCoder Finance API database. This package provides a factory function to create a Prisma client instance with a configurable database connection string.
+
+## Installation
+
+```bash
+npm install @topcoder/finance-prisma-client
+```
+
+Or via git repository:
+
+```bash
+npm install git+https://github.com/your-org/tc-finance-api.git#packages/finance-prisma-client
+```
+
+## Usage
+
+### Basic Usage
+
+```typescript
+import { createFinancePrismaClient } from '@topcoder/finance-prisma-client';
+
+const prisma = createFinancePrismaClient('postgresql://user:password@localhost:5432/finance_db');
+
+// Use the client
+const winnings = await prisma.winnings.findMany();
+```
+
+### With Options
+
+```typescript
+import { createFinancePrismaClient } from '@topcoder/finance-prisma-client';
+
+const prisma = createFinancePrismaClient(
+  'postgresql://user:password@localhost:5432/finance_db',
+  {
+    log: ['query', 'info', 'warn', 'error'],
+    transactionOptions: {
+      timeout: 20000, // 20 seconds
+    },
+  }
+);
+```
+
+### Using Types
+
+```typescript
+import { 
+  createFinancePrismaClient,
+  Prisma,
+  payment_status,
+  winnings
+} from '@topcoder/finance-prisma-client';
+
+const prisma = createFinancePrismaClient(connectionString);
+
+// Use Prisma types
+const payment: Prisma.paymentCreateInput = {
+  // ...
+};
+
+// Use enum types
+const status: payment_status = 'PAID';
+
+// Use model types
+const winning: winnings = await prisma.winnings.findFirst();
+```
+
+## Building
+
+Before using this package, you need to build it:
+
+```bash
+npm run build
+```
+
+This will:
+1. Generate the Prisma client from the schema
+2. Compile TypeScript to JavaScript
+
+## Development
+
+When installing this package in development mode (e.g., via `npm install file:../path`), the `postinstall` script will automatically generate the Prisma client.
+
+## Requirements
+
+- Node.js >= 16
+- Prisma >= 6.18.0
+- PostgreSQL database
+
+## License
+
+UNLICENSED