Update .gitignore

Author: demirmusa

.gitignore

@@ -363,3 +363,6 @@ Templates/All-In-One-Template/MySpaProject/MySpaProject.WebMpa/Logs/Logs.txt
 /Templates/All-In-One-Template/MySpaProject/MySpaProject.WebSpaDurandal/Logs/Logs.txt
 /src/AbpCompanyName.AbpProjectName.WebSpaAngular/App_Data/Logs/Logs.txt
 /src/AbpCompanyName.AbpProjectName.WebMpa/App_Data/Logs/Logs.txt
+
+# JetBrains Rider's auto generated files
+.idea/