feat: Add new projects to solution and implement contract testing documentation

- Added "StellaOps.Policy.Engine", "StellaOps.Cartographer", and "StellaOps.SbomService" projects to the StellaOps solution.
- Created AGENTS.md to outline the Contract Testing Guild Charter, detailing mission, scope, and definition of done.
- Established TASKS.md for the Contract Testing Task Board, outlining tasks for Sprint 62 and Sprint 63 related to mock servers and replay testing.

src/StellaOps.EvidenceLocker/StellaOps.EvidenceLocker.WebService/appsettings.Development.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}