create the References directory + add it to our search path

.gitignore

@@ -1,3 +1,4 @@
 SourceCode/Libraries
+SourceCode/References
 Effects/*.o
 AvaliSkin.dll

SourceCode/Makefile

@@ -7,7 +7,7 @@
 LIBS = -pkg:dotnet -r:MonoMod.Utils.dll -r:MonoMod.RuntimeDetour.dll \
 -r:Celeste.exe -r:MMHOOK_Celeste.dll -r:FNA.dll -r:Mono.Cecil.dll -r:YamlDotNet.dll -r:CelesteNet.Client.dll -r:CelesteNet.Shared.dll
 # We'll use only the ./Libraries/ directory, and have people symlink libs there or w/e
-LIB_PATH = -lib:./Libraries/
+LIB_PATH = -lib:./Libraries/ -lib:./References/
 
 BINARY=AvaliSkin.dll