Add some comments to explain what the differences between packages path and path/filepath

core/path/path.odin

@@ -1,3 +1,8 @@
+// The path package is only to be used for paths separated by forward slashes,
+// e.g. paths in URLs
+//
+// This package does not deal with Windows/NT paths with volume letters or backslashes
+// To manipulate operating system specific paths, use the path/filepath package
 package path
 
 import "core:strings"