kitty: add dracula theme properly - as a submodule

* literal colour enumeration in primary config is no longer necessary
* the sole theme override is the background colour -> 0x262626

.config/kitty/config.d/dracula-kitty

@@ -0,0 +1 @@
+Subproject commit 6d6239abe975e168e6ffb8b19c03a997bbe88fe6

.config/kitty/kitty.conf

@@ -618,38 +618,9 @@ inactive_tab_font_style normal
 #: }}}
 
 #: Color scheme {{{
-# Dracula
-color0 #000000
-color1 #ff5555
-color2 #50fa7b
-color3 #f1fa8c
-color3 #f1fa8c
-color4 #bd93f9
-color5 #ff79c6
-color6 #8be9fd
-color7 #bbbbbb
-#color8 #555555
-color8 #686868
-#color9 #ff5555
-color9 #ff6e67
-#color10 #50fa7b
-color10 #5af78e
-#color11 #f1fa8c
-color11 #f4f99d
-#color12 #bd93f9
-color12 #caa9fa
-#color13 #ff79c6
-color13 #ff92d0
-#color14 #8be9fd
-color14 #9aedfe
-#color15 #ffffff
-color15 #e6e6e6
-# background #1e1f29
+include ~/.config/kitty/dracula.conf
+# override the background colour
 background #262626
-selection_foreground #1e1f29
-cursor #bbbbbb
-foreground #f8f8f2
-selection_background #f8f8f2
 
 # background #212733
 # foreground #d9d7ce

.gitmodules

@@ -1,3 +1,6 @@
+[submodule ".config/kitty/config.d/dracula-kitty"]
+	path = .config/kitty/config.d/dracula-kitty
+	url = https://github.com/dracula/kitty
 [submodule ".zsh/bemenu-dracula"]
 	path = .zsh/bemenu-dracula
 	url = https://github.com/dracula/bemenu