Make installation undependable from tweaks

Updated copyright years ("better late than never" ahh change)

tweaks/panel/tweak.py

@@ -0,0 +1,27 @@
+from scripts import config
+from scripts.utils import hex_to_rgba
+panel_folder = f"{config.tweaks_folder}/panel"
+
+
+def define_arguments(parser):
+    panel_args = parser.add_argument_group('Panel tweaks')
+    panel_args.add_argument('-Pds', '--panel_default_size', action='store_true', help='set default panel size')
+    panel_args.add_argument('-Pnp', '--panel_no_pill', action='store_true', help='remove panel button background')
+    panel_args.add_argument('-Ptc', '--panel_text_color', type=str, nargs='?', help='custom panel HEX(A) text color')
+
+
+def apply_tweak(args, theme, colors):
+    if args.panel_default_size:
+        with open(f"{panel_folder}/def-size.css", "r") as f:
+            theme += f.read()
+
+    if args.panel_no_pill:
+        with open(f"{panel_folder}/no-pill.css", "r") as f:
+            theme += f.read()
+
+    if args.panel_text_color:
+        theme += ".panel-button,\
+                    .clock,\
+                    .clock-display StIcon {\
+                        color: rgba(" + ', '.join(map(str, hex_to_rgba(args.panel_text_color))) + ");\
+                    }"