Drawing a textured quad

Added new assets
Loaded all texture assets into game state
Loaded the basic pipeline
Setup a hard-coded quad to test drawing
Created a very jank vertex struct
Added ReadEntireFile for filesystem
Added getting file size from file handle
Added a descriptor pool to each in flight frame
Changed Vk_BufferCreate to handle multiple uses
Added shader building to the windows.bat build script

code/os/impl/windows/filesystem.c

@@ -83,6 +83,19 @@ void FS_FileWrite(OS_Handle file, void *ptr, U64 size, U64 offset) {
 	}
 }
 
+U64 FS_FileSize(OS_Handle file) {
+	U64 result = 0;
+	HANDLE hFile = cast(HANDLE) file.v[0];
+	if (hFile) {
+		DWORD dwLow, dwHigh;
+		dwLow = GetFileSize(hFile, &dwHigh);
+
+		result = ((U64) dwHigh << 32) | ((U64) dwLow);
+	}
+
+	return result;
+}
+
 FS_List FS_PathList(M_Arena *arena, Str8 path) {
 	FS_List result = { 0 };