Add disktree (#624)

* Add disktree

* disktree-bin: 0.9.1

* disktree-bin: 0.10.1, for aarch64 too

0.10.1 ships gpui-omarchy 0.1.3, and the release now builds an aarch64
Linux tarball, so the recipe and the upstream asset map cover both.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

pkgbuilds/disktree-bin/.omarchy/package.json

@@ -0,0 +1,12 @@
+{
+  "source": "local",
+  "min_release_age": "24h",
+  "upstream": {
+    "github": "tobi/disktree",
+    "digests": true,
+    "assets": {
+      "x86_64": "disktree-{pkgver}-x86_64-linux.tar.gz",
+      "aarch64": "disktree-{pkgver}-aarch64-linux.tar.gz"
+    }
+  }
+}