feat(resources): bundle color themes and compiled xterm-ghostty terminfo

Makes the resources directory self-contained like Ghostty's share/ghostty:
- themes/: the 463 iTerm2-Color-Schemes themes Ghostty 1.3.1 ships
  (release 20260216-151611-fc73ce3), with the upstream MIT license.
- terminfo/: xterm-ghostty compiled with `tic -x` from the terminfo
  source generated by ghostty-termio; `infocmp -x` is identical to the
  installed Ghostty's entry.

The generator script and resources-dir discovery changes follow in a
separate commit.

Test Plan:
- TERMINFO=resources/terminfo infocmp -x xterm-ghostty

resources/themes/Modus Operandi

@@ -0,0 +1,22 @@
+palette = 0=#000000
+palette = 1=#a60000
+palette = 2=#006800
+palette = 3=#6f5500
+palette = 4=#0031a9
+palette = 5=#721045
+palette = 6=#005e8b
+palette = 7=#a6a6a6
+palette = 8=#595959
+palette = 9=#972500
+palette = 10=#00663f
+palette = 11=#884900
+palette = 12=#3548cf
+palette = 13=#531ab6
+palette = 14=#005f5f
+palette = 15=#595959
+background = #ffffff
+foreground = #000000
+cursor-color = #000000
+cursor-text = #ffffff
+selection-background = #bdbdbd
+selection-foreground = #000000