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/Smyck

@@ -0,0 +1,22 @@
+palette = 0=#000000
+palette = 1=#b84131
+palette = 2=#7da900
+palette = 3=#c4a500
+palette = 4=#62a3c4
+palette = 5=#ba8acc
+palette = 6=#207383
+palette = 7=#a1a1a1
+palette = 8=#7a7a7a
+palette = 9=#d6837c
+palette = 10=#c4f137
+palette = 11=#fee14d
+palette = 12=#8dcff0
+palette = 13=#f79aff
+palette = 14=#6ad9cf
+palette = 15=#f7f7f7
+background = #1b1b1b
+foreground = #f7f7f7
+cursor-color = #bbbbbb
+cursor-text = #ffffff
+selection-background = #207483
+selection-foreground = #f7f7f7