Adding framework name as per issue 6466 (#6962)

* Adding framework name as per issue 6466

According to issue #6466, the framework name should be unique to show up in the composite scores

* Repository should be lower case

Resulted in failed build error with capitalization

frameworks/CSharp/appmpower/benchmark_config.json

@@ -9,7 +9,7 @@
         "approach": "Realistic",
         "classification": "Platform",
         "database": "None",
-        "framework": "ASP.NET Core",
+        "framework": "appmpower",
         "language": "C#",
         "orm": "Raw",
         "platform": ".NET",
@@ -31,7 +31,7 @@
         "approach": "Realistic",
         "classification": "Platform",
         "database": "Postgres",
-        "framework": "ASP.NET Core",
+        "framework": "appmpower",
         "language": "C#",
         "orm": "Raw",
         "platform": ".NET",
@@ -53,7 +53,7 @@
         "approach": "Realistic",
         "classification": "Platform",
         "database": "MySQL",
-        "framework": "ASP.NET Core",
+        "framework": "appmpower",
         "language": "C#",
         "orm": "Raw",
         "platform": ".NET",