feat: rework codegen (#217)

## Summary by Sourcery

Rework the code generation process by introducing modular functions for
handling different GraphQL endpoints and refactoring the TypeScript
configuration management to improve maintainability and clarity.

New Features:
- Introduce separate code generation functions for different GraphQL
endpoints, including Hasura, Portal, The Graph, and The Graph Fallback.

Enhancements:
- Refactor the code generation process to modularize and streamline the
handling of TypeScript configuration and GraphQL schema generation.

Author: roderik

bun.lockb

@@ -54,6 +54,7 @@
     "@inquirer/select": "^4.0.0",
     "@settlemint/sdk-js": "workspace:*",
     "@settlemint/sdk-utils": "workspace:*",
+    "get-tsconfig": "^4.8.1",
     "is-in-ci": "^1.0.0",
     "yoctocolors": "^2"
   },