Expand declarative upstream providers

pkgbuilds/v4l2-relayd/.omarchy/package.json

@@ -1,3 +1,14 @@
 {
-  "source": "local"
+  "source": "local",
+  "upstream": {
+    "git_tags": "https://gitlab.com/vicamo/v4l2-relayd.git",
+    "tag_pattern": "upstream/{pkgver}",
+    "sources": {
+      "any": [
+        "https://gitlab.com/vicamo/v4l2-relayd/-/archive/upstream/{pkgver}/v4l2-relayd-upstream-{pkgver}.tar.gz",
+        "file:0001-reset-output-on-idle.patch",
+        "file:0002-escape-optional-splashsrc-expansion.patch"
+      ]
+    }
+  }
 }