csharp-fix-method-name (#43)

Author: barnuri

src/generators/client/CSharpClientGenerator.ts

@@ -117,7 +117,7 @@ ${controllerPropsCtor}
 
         let methodContent = '';
         // method one
-        methodContent += `\tpublic Task<${responseType}${nullableMark}> ${methodName}(${methodParams}) \n\t{\n`.replace(', )', ')');
+        methodContent += `\tpublic Task<${responseType}${nullableMark}> ${methodName}Async(${methodParams}) \n\t{\n`.replace(', )', ')');
         methodContent += `\t\treturn Method<${requestType},${responseType}${nullableMark}>(\n`;
         methodContent += methodCommonText;