Update Bicep and Azure YAML configurations

Renamed connection string resource to 'appsettings' and updated its properties. Added HTTP logging settings for the app service. Enhanced `azure.yaml` with schema reference, project metadata, and defined a deployment workflow. Configured backend service with project details and hosting environment.

Author: richard-einfinity

samples/datasync-server-cosmosdb-singlecontainer/azure.yaml

@@ -0,0 +1,17 @@
+# yaml-language-server: $schema=https://raw.githubusercontent.com/Azure/azure-dev/main/schemas/v1.0/azure.yaml.json
+
+name: community-toolkit-datasync-server
+metadata:
+  template: [email protected]
+
+workflows:
+  up:
+    steps:
+      - azd: provision
+      - azd: deploy --all
+
+services:
+  backend:
+    project: ./src
+    language: csharp
+    host: appservice

samples/datasync-server-cosmosdb-singlecontainer/infra/resources.bicep

@@ -129,12 +129,9 @@ resource appService 'Microsoft.Web/sites@2022-09-01' = {
   }
 
   resource connectionStrings 'config' = {
-    name: 'connectionstrings'
+    name: 'appsettings'
     properties: {
-      DefaultConnection: {
-        value: account.listConnectionStrings().connectionStrings[0].connectionString
-        type: 'DocDb'
-      }
+      ConnectionStrings__DefaultConnection: account.listConnectionStrings().connectionStrings[0].connectionString      
     }
   }
 }