added coverage dependency; 99 percent test coverage (only lacking admin, currently by design); commenced postgresql db integration

.woodpecker.yaml

@@ -1,6 +1,16 @@
+services:
+  - name: postgres
+    image: postgres:16
+    environment:
+      POSTGRES_DB: python_tdd_test
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: postgres
+
 steps:
-  - name: test-UTs
+  - name: test-UTs-n-ITs
     image: python:3.13-slim
+    environment:
+      DATABASE_URL: postgresql://postgres:postgres@postgres/python_tdd_test
     commands:
       - pip install -r requirements.txt
       - cd ./src