Add Omakade to the fast ring

Build the upstream 1.2.0 source release for x86_64 and follow stable GitHub releases through the published SHA256SUMS manifest.

pkgbuilds/omakade/.omarchy/package.json

@@ -0,0 +1,11 @@
+{
+  "source": "local",
+  "release_ring": "fast",
+  "upstream": {
+    "github": "tsouth89/omakade",
+    "checksums": "SHA256SUMS",
+    "assets": {
+      "any": "omakade-{pkgver}.tar.gz"
+    }
+  }
+}