Updated .gitignore and .gitattributes

.gitignore

@@ -1,51 +1,41 @@
-# Ignore all files by default, but scan all directories.
-*
-!*/
+# Unreal Engine files
+Saved/
+Intermediate/
+DerivedDataCache/
+.vscode/
+.vs/
+*.VC.db
+*.opensdf
+*.opendb
+*.sdf
+*.sln
+*.suo
+*.xcodeproj
+*.xcworkspace
 
-# Do not ignore git files in the root of the repo.
-!/.git*
+# Binary files
+Binaries/
+Build/
 
-# Do not ignore current project's `.uproject`.
-!/*.uproject
+# Plugins binary files
+Plugins/*/Binaries/
+Plugins/*/Intermediate/
 
-# Do not ignore source, config and plugins dirs.
-!/Source/**
-!/Config/**
-!/Plugins/**
+# Don't ignore icon files in Build
+!Build/**/*.ico
 
-# Only allow .uasset and .umap files from /Content dir.
-# They're tracked by git-lfs, don't forget to track other
-# files if adding them here.
-!/Content/**/*.uasset
-!/Content/**/*.umap
+# Built data for maps
+*_BuiltData.uasset
 
-# Allow any files from /RawContent dir.
-# Any file in /RawContent dir will be managed by git lfs.
-!/RawContent/**/*
+# Configuration files generated by the Editor
+Saved/
+Intermediate/
+DerivedDataCache/
 
-# OS/platform generated files.
+# Don't ignore build configuration
+!Build/*/
+Build/*/**
+!Build/*/PakBlacklist*.txt
 
-# Windows
-ehthumbs.db
-Thumbs.db
-
-# Mac OS X
-.DS_Store
-.DS_Store?
-.AppleDouble
-.LSOverride
-._*
-
-# Linux
-*~
-.directory
-
-# vim
-[._]*.s[a-w][a-z]
-[._]s[a-w][a-z]
-*.un~
-Session.vim
-.netrwhist
-
-# Visual Studio
-.vs
+# Other project specific ignores
+.DS_Store