desktop: Add flavours program to set colors

Switching from my custom, brittle, styling implementation `styler` to
the wonder `flavours` program which does exactly the same only with more
clarity, faster and - I would presume - more stable.

desktop/.config/flavours/templates/wezterm/templates/default.mustache

@@ -0,0 +1,32 @@
+# Base16 {{scheme-name}} - wezterm color config
+# Scheme by {{scheme-author}}
+
+[colors]
+foreground    = "#{{base05-hex}}"
+background    = "#{{base00-hex}}"
+cursor_bg     = "#{{base05-hex}}"
+cursor_border = "#{{base05-hex}}"
+selection_bg  = "#{{base05-hex}}"
+selection_fg  = "#{{base00-hex}}"
+
+ansi = [
+  "#{{base00-hex}}",
+  "#{{base08-hex}}",
+  "#{{base0B-hex}}",
+  "#{{base0A-hex}}",
+  "#{{base0D-hex}}",
+  "#{{base0E-hex}}",
+  "#{{base0C-hex}}",
+  "#{{base05-hex}}"
+]
+
+brights = [
+  "#{{base03-hex}}",
+  "#{{base08-hex}}",
+  "#{{base0B-hex}}",
+  "#{{base0A-hex}}",
+  "#{{base0D-hex}}",
+  "#{{base0E-hex}}",
+  "#{{base0C-hex}}",
+  "#{{base07-hex}}"
+]