mat exclude by name for palette link

1.9.2

- feat: Palette linker has a name exclusion list in preferences
  - Avoid linking some material that are prefered local to file
  - Default item in list : `line`

__init__.py

@@ -15,7 +15,7 @@ bl_info = {
 "name": "GP toolbox",
 "description": "Tool set for Grease Pencil in animation production",
 "author": "Samuel Bernou, Christophe Seux",
-"version": (1, 9, 1),
+"version": (1, 9, 2),
 "blender": (2, 91, 0),
 "location": "Sidebar (N menu) > Gpencil > Toolbox / Gpencil properties",
 "warning": "",
@@ -190,6 +190,11 @@ class GPTB_prefs(bpy.types.AddonPreferences):
         default=True,
         )
 
+    mat_link_exclude : StringProperty(
+        name="Materials Link Exclude",
+        description="List of material name to exclude when using palette linker (separate multiple value with comma, ex: line, rough)",
+        default="line,", maxlen=0)
+
     use_env_brushes : BoolProperty(
         name="Use Project Brushes",
         description="Load the brushes path in environnement at startup (key 'BRUSHES')",
@@ -381,6 +386,8 @@ class GPTB_prefs(bpy.types.AddonPreferences):
             subbox.prop(self, 'palette_path')
             subbox.prop(self, 'warn_base_palette')
             
+            subbox.prop(self, 'mat_link_exclude')
+
             ## Brushes
             subbox.prop(self, 'use_env_brushes', text='Use Brushes Environnement Path')
             subbox.prop(self, 'brush_path')