Remove dotnet-ef tool config and IIS publish profiles

Deleted dotnet-tools.json (dotnet-ef config) and IIS publish profiles for .NET 7 and .NET 9 (IISProfileNet7Win64.pubxml, IISProfileNet9Win64.pubxml) to clean up unused deployment and tooling files.

EnvelopeGenerator.API/appsettings.Development.json

@@ -0,0 +1,18 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AuthClientParams": {
+    "Url": "https://localhost:7192/auth-hub",
+    "PublicKeys": [
+      {
+        "Issuer": "auth.digitaldata.works",
+        "Audience": "sign-flow-gen.digitaldata.works"
+      }
+    ],
+    "RetryDelay": "00:00:05"
+  }
+}