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/3024 Day

@@ -0,0 +1,22 @@
+palette = 0=#090300
+palette = 1=#db2d20
+palette = 2=#01a252
+palette = 3=#caba00
+palette = 4=#01a0e4
+palette = 5=#a16a94
+palette = 6=#8fbece
+palette = 7=#a5a2a2
+palette = 8=#5c5855
+palette = 9=#dbaec3
+palette = 10=#3a3432
+palette = 11=#4a4543
+palette = 12=#807d7c
+palette = 13=#bcbbba
+palette = 14=#cdab53
+palette = 15=#f7f7f7
+background = #f7f7f7
+foreground = #4a4543
+cursor-color = #4a4543
+cursor-text = #f7f7f7
+selection-background = #a5a2a2
+selection-foreground = #4a4543