pinwheel: Replace purple color scheme with grayscale and amber

Terminals, tmux and Emacs share a grayscale palette with amber
accents instead of Dracula, and the desktop bars and menus use a
matching gray background.

hosts/pinwheel/modules/emacs/doom-submarine-theme.el

@@ -0,0 +1,63 @@
+;;; doom-submarine-theme.el --- Grayscale with amber accents, like a submarine at night -*- lexical-binding: t; no-byte-compile: t; -*-
+(require 'doom-themes)
+
+(def-doom-theme doom-submarine
+  "Grayscale with amber accents, like a submarine at night."
+  ((bg         '("#1b1b1b" nil nil))
+   (bg-alt     '("#181818" nil nil))
+   (base0      '("#121212" nil nil))
+   (base1      '("#181818" nil nil))
+   (base2      '("#242424" nil nil))
+   (base3      '("#2c2c2c" nil nil))
+   (base4      '("#404040" nil nil))
+   (base5      '("#626262" nil nil))
+   (base6      '("#858585" nil nil))
+   (base7      '("#a0a0a0" nil nil))
+   (base8      '("#f4f4f4" nil nil))
+   (fg         '("#e8e8e8" nil nil))
+   (fg-alt     '("#9a9a9a" nil nil))
+
+   (grey       base5)
+   (red        '("#e0473c" nil nil))
+   (orange     '("#ffb347" nil nil))
+   (green      '("#f4f4f4" nil nil))
+   (teal       '("#aaaaaa" nil nil))
+   (yellow     '("#ffb347" nil nil))
+   (blue       '("#aaaaaa" nil nil))
+   (dark-blue  '("#7a7a7a" nil nil))
+   (magenta    '("#b05048" nil nil))
+   (violet     '("#9a9a9a" nil nil))
+   (cyan       '("#bebebe" nil nil))
+   (dark-cyan  '("#8a8a8a" nil nil))
+
+   (highlight      orange)
+   (vertical-bar   base3)
+   (selection      base3)
+   (builtin        fg)
+   (comments       base5)
+   (doc-comments   base6)
+   (constants      yellow)
+   (functions      base8)
+   (keywords       orange)
+   (methods        base8)
+   (operators      fg-alt)
+   (type           fg)
+   (strings        base7)
+   (variables      fg)
+   (numbers        yellow)
+   (region         '("#4a3820" nil nil))
+   (error          red)
+   (warning        red)
+   (success        green)
+   (vc-modified    base6)
+   (vc-added       green)
+   (vc-deleted     red)
+
+   (modeline-fg     fg)
+   (modeline-fg-alt base6)
+   (modeline-bg     base2)
+   (modeline-bg-alt bg-alt)
+   (modeline-bg-inactive bg-alt)
+   (modeline-bg-inactive-l bg-alt)))
+
+;;; doom-submarine-theme.el ends here