Added fasttrack-new repo catalog

Initial package xsnow

new.cfg

+# kind: resf.peridot.v1.CatalogSync
+
+################################################################################
+# This catalog file is for packages new to Rocky Linux, and not an existing package update
+
+# xsnow
+package {
+  name: "xsnow"
+  type: PACKAGE_TYPE_NORMAL_SRC
+  repository {
+    name: "fasttrack-new"
+    include_filter: "xsnow.aarch64"
+    include_filter: "xsnow.x86_64"
+  }
+}