Path: Opt into automatic git newline normalization

Avoid spurious diffs from inadvertent newline changes by letting git
normalize newlines in the path module as well, just as a list of other
modules including Draft already do.

This effectively standardizes all checked-in code to Unix newlines, but
checkouts might use CRLF if that is the user preference.

src/Mod/.gitattributes

@@ -77,6 +77,7 @@ JtReader    export-ignore
 # Fem/** -text
 # Material/** -text
 # OpenSCAD/** -text
+# Path/** -text
 # Show/** -text
 # Tux/** -text
 
@@ -97,7 +98,6 @@ Mesh/** -text
 MeshPart/** -text
 Part/** -text
 PartDesign/** -text
-Path/** -text
 Plot/** -text
 Points/** -text
 Raytracing/** -text