Separate Python and Rust into python/ and rust/ with per-stack Dockerfiles

python/requirements.txt

@@ -0,0 +1,13 @@
+Flask>=3.1.3
+Flask-Limiter>=4.1.1
+Flask-Cors>=6.0.2
+Flask-WTF>=1.2.2
+python-dotenv>=1.2.1
+pytest>=9.0.2
+requests>=2.32.5
+boto3>=1.42.14
+granian>=2.7.2
+psutil>=7.2.2
+cryptography>=46.0.5
+defusedxml>=0.7.1
+duckdb>=1.5.1