Add .gitignore and .gitattributes

.gitattributes

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+P_on_surface.uasset filter=lfs diff=lfs merge=lfs -text

.gitignore

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+[Ll]ibrary/
+[Tt]emp/
+[Oo]bj/
+[Bb]uild/
+[Bb]uilds/
+Assets/AssetStoreTools*
+
+# Visual Studio cache directory
+.vs/
+
+# Autogenerated VS/MD/Consulo solution and project files
+ExportedObj/
+.consulo/
+*.csproj
+*.unityproj
+*.sln
+*.suo
+*.tmp
+*.user
+*.userprefs
+*.pidb
+*.booproj
+*.svd
+*.pdb
+*.opendb
+
+# Unity3D generated meta files
+*.pidb.meta
+*.pdb.meta
+
+# Unity3D Generated File On Crash Reports
+sysinfo.txt
+
+# Builds
+*.apk
+*.unitypackage
+
+
+### UNREAL GIT IGNORE BELOW ###
+# Visual Studio 2015 user specific files
+.vs/
+
+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+
+# Fortran module files
+*.mod
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+
+# Executables
+*.exe
+*.out
+*.app
+*.ipa
+
+# These project files can be generated by the engine
+*.xcodeproj
+*.xcworkspace
+*.sln
+*.suo
+*.opensdf
+*.sdf
+*.VC.db
+*.VC.opendb
+
+
+# Rider Idea files
+*.idea
+
+# Precompiled Assets
+UnrealProject/SourceArt/**/*.png
+UnrealProject/SourceArt/**/*.tga
+
+# Binary Files
+UnrealProject/Binaries/*
+UnrealProject/Plugins/**/Binaries/*
+
+# Builds
+UnrealProject/Build/*
+
+# Whitelist PakBlacklist-<BuildConfiguration>.txt files
+!UnrealProject/Build/*/
+UnrealProject/Build/*/**
+!UnrealProject/Build/*/PakBlacklist*.txt
+
+# Don't ignore icon files in Build
+!UnrealProject/Build/**/*.ico
+
+# Built data for maps
+*UnrealProject/_BuiltData.uasset
+
+# Configuration files generated by the Editor
+UnrealProject/Saved/*
+
+# Compiled source files for the engine to use
+UnrealProject/Intermediate/*
+UnrealProject/Plugins/**/Intermediate/*
+
+# Cache files for the editor to use
+UnrealProject/DerivedDataCache/*
+*.xml