add core/core.go for go-licenses to work

Author: timoffex

recipe/02-top_level_go_file.patch

@@ -0,0 +1,11 @@
+diff --git a/core/core.go b/core/core.go
+new file mode 100644
+index 000000000..8cc8bd128
+--- /dev/null
++++ b/core/core.go
+@@ -0,0 +1,5 @@
++// Package core implements a process that asynchronously uploads W&B data.
++package core
++
++// NOTE: This top-level file is necessary for certain tooling,
++//   in particular go-licenses.

recipe/meta.yaml

@@ -11,6 +11,7 @@ source:
   sha256: 20cd7fbd8573a1ce1807ebcc71e217ceffa3b6c1cbf5a7d26551653fba8d054e
   patches:
     - 01-find_nvidia_stats_executable.patch
+    - 02-top_level_go_file.patch
 
 build:
   number: 0