git: Add RTC gitignores (protocolbuffers#5)

Signed-off-by: Christian Venegas <cvenegas@esri.com>
Reviewed-by: Dalton Woodard <DWoodard@esri.com>; Dan Kalowsky <DKalowsky@esri.com>; Marco Dias <MDias@esri.com>

.gitignore

@@ -186,3 +186,39 @@ cmake/cmake-build-debug/
 # Common build subdirectories.
 ./.build/
 ./_build/
+
+# RTC ignores
+# Premake generated files #
+###########################
+*.vcxproj*
+*.sln
+Makefile
+
+# OS generated files #
+######################
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+.project
+
+# VS generated files #
+######################
+ipch/
+*.suo
+*.opensdf
+*.sdf
+*.vcxproj
+*.filters
+*.user
+
+# Qt files
+###########################
+*.config
+*.creator
+*.files
+*.includes
+moc/