feat(billing): implement billing module with Stripe and Mercado Pago integration

- Add Stripe and Mercado Pago providers for handling subscriptions.
- Create billing repository and access services for managing billing records.
- Implement webhook handlers for processing events from Stripe and Mercado Pago.
- Add routes for checkout, canceling subscriptions, and retrieving billing status.
- Introduce billing status management with appropriate state transitions.
- Create tests for billing functionalities including webhook idempotency and provider resolution.
- Document the billing module architecture, environment variables, and API endpoints.

bun.lock

@@ -26,12 +26,14 @@
         "dotenv": "^17.4.1",
         "hono": "4.12.10",
         "mailtrap": "^4.5.1",
+        "mercadopago": "^3.1.0",
         "nodemailer": "^8.0.5",
         "pg": "^8.20.0",
         "pino": "10.3.1",
         "pino-pretty": "13.1.3",
         "pino-std-serializers": "7.1.0",
         "prisma": "^7",
+        "stripe": "^22.2.2",
         "uuid": "^13.0.0",
       },
       "devDependencies": {
@@ -625,7 +627,7 @@
 
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+    "@types/bun": ["@types/bun@1.3.14", "", { "dependencies": { "bun-types": "1.3.14" } }, "sha512-h1hFqFVcvAvD9j9K7ZW7vd82aSA+rTdznZa+5bwvCwqSB1jmmfLcbIWhOLx1/+boy/xmjgCs/OMUL8hRJSmnPw=="],
 
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@@ -731,7 +733,7 @@
 
     "bun-mock-prisma": ["bun-mock-prisma@1.2.1", "", { "peerDependencies": { "bun-types": ">=1.0.0" } }, "sha512-1c6CByUMk9acH7R87lcVoJqPpUWoqHRu6VwipXzU94s03/FXotACOt2DMgGhfz2xw5218BVoPJiH0QQXUwgmWg=="],
 
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@@ -1197,6 +1199,8 @@
 
     "memoize-one": ["memoize-one@5.2.1", "", {}, "sha512-zYiwtZUcYyXKo/np96AGZAckk+FWWsUdJ3cHGGmld7+AhvcWmQyGCYUh1hc4Q/pkOhb65dQR/pqCyK0cOaHz4Q=="],
 
+    "mercadopago": ["mercadopago@3.1.0", "", {}, "sha512-3VB8AFpE8eZgm67e22kVbR19k9JC/1j66voLSh7m9tPvkASuRKNH2Y7yb793rO+fIpMtvl+wBj27UY4jIItWYA=="],
+
     "merge-descriptors": ["merge-descriptors@2.0.0", "", {}, "sha512-Snk314V5ayFLhp3fkUREub6WtjBfPdCPY1Ln8/8munuLuiYhsABgBVWsozAG+MWMbVEvcdcpbi9R7ww22l9Q3g=="],
 
     "merge-stream": ["merge-stream@2.0.0", "", {}, "sha512-abv/qOcuPfk3URPfDzmZU1LKmuw8kT+0nIHvKrKgFrwifol/doWcdA4ZqsWQ8ENrFKkd67Mfpo/LovbIUsbt3w=="],
@@ -1569,6 +1573,8 @@
 
     "strip-json-comments": ["strip-json-comments@5.0.3", "", {}, "sha512-1tB5mhVo7U+ETBKNf92xT4hrQa3pm0MZ0PQvuDnWgAAGHDsfp4lPSpiS6psrSiet87wyGPh9ft6wmhOMQ0hDiw=="],
 
+    "stripe": ["stripe@22.2.2", "", { "peerDependencies": { "@types/node": ">=18" }, "optionalPeers": ["@types/node"] }, "sha512-lRXLiarjW/I2QVa6QuFfz1Ma7Dc2yBQ7vlYH6NEmp5htMJNQGfiWExmOv0McfqY5wMCGV8DLuCvsyVRIPJlUUQ=="],
+
     "strnum": ["strnum@2.2.3", "", {}, "sha512-oKx6RUCuHfT3oyVjtnrmn19H1SiCqgJSg+54XqURKp5aCMbrXrhLjRN9TjuwMjiYstZ0MzDrHqkGZ5dFTKd+zg=="],
 
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