Migration to UV, introducing db_write, mqtt_ingestion, db_migrations, half working prototype.

infrastructure/compose.yml

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+services:
+
+  redis:
+    image: redis:8
+    ports: 
+      - "6379:6379"
+    volumes:
+      - redis-data:/data
+    restart: unless-stopped
+  
+  mqtt:
+    image: eclipse-mosquitto:2.0
+    ports:
+      - "1883:1883"
+      - "9001:9001"
+    volumes:
+      - ./mosquitto/mosquitto.conf:/mosquitto/config/mosquitto.conf
+    restart: unless-stopped
+  
+  timescaledb:
+    image: timescale/timescaledb:latest-pg17
+    environment:
+      POSTGRES_USER: ${POSTGRES_USER:-postgres}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-example}
+      POSTGRES_DB: ${POSTGRES_DB:-iot_data}
+    ports:
+      - "5432:5432"
+    volumes:
+      - timescaledb-data:/var/lib/postgresql/data
+    restart: unless-stopped
+
+volumes:
+  redis-data:
+  timescaledb-data: