Add MIDL generated files to gitignore

Update style in IDL file

Author: AaronRobinsonMSFT

.gitignore

@@ -6,3 +6,7 @@ x64/
 **/bin/
 **/obj/
 **/*.user
+
+# IDL generated code
+ComServer/IServer_*
+ComServer/dlldata.c

ComServer/IServer.idl

@@ -1,8 +1,11 @@
 import "oaidl.idl";
 
-[object,
- uuid(F38720E5-2D64-445E-88FB-1D696F614C78)]
-interface IServer : IUnknown {
+[
+    object,
+    uuid(F38720E5-2D64-445E-88FB-1D696F614C78)
+]
+interface IServer : IUnknown
+{
     [helpstring("Compute and return the value of PI")]
-    HRESULT ComputePi ([out,retval] double * pi);
+    HRESULT ComputePi([out,retval] double * pi);
 };