Add balena.yml to tie into transformers

Change-type: patch
Signed-off-by: Robert Günzler <robertg@balena.io>

Author: robertgzr

balena.yml

@@ -0,0 +1,12 @@
+type: type-product-os-t-golang-source@1.1.2
+name: mobynit
+version: 0.1.2
+data:
+  # we want transformers to run here:
+  $transformer: {}
+
+  platforms:
+    - linux/amd64
+    - linux/arm64
+    - linux/arm/v7
+    - linux/arm/v6