feat: initial project setup with scenarios, database and web ui

Add complete mockupAWS platform for AWS cost estimation:
- FastAPI backend with scenario management
- PostgreSQL database schema for scenarios, metrics, logs
- AWS pricing table with real pricing data
- React frontend dashboard (planned)
- PII detection and token counting
- Report generation (PDF/CSV)
- Complete test suite with pytest
- Docker Compose setup
- Documentation: README, PRD, Architecture
- OpenCode configuration (.opencode/)

pyproject.toml

@@ -0,0 +1,23 @@
+[project]
+name = "mockup-aws"
+version = "0.1.0"
+description = "Simulatore locale del backend AWS per LogWhispererAI."
+readme = "README.md"
+requires-python = ">=3.11"
+
+dependencies = [
+    "fastapi>=0.110.0",
+    "pydantic>=2.7.0",
+    "tiktoken>=0.6.0",
+    "uvicorn>=0.29.0",
+]
+
+[dependency-groups]
+dev = [
+    "httpx>=0.27.0",
+    "pytest>=8.1.1",
+]
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+pythonpath = ["."]