Add cascading metadata (#435)

Signed-off-by: Aaron Crawfis <[email protected]>

Author: AaronCrawfis

daprdocs/content/en/go-sdk-docs/_index.md

@@ -5,6 +5,11 @@ linkTitle: "Go"
 weight: 1000
 description: Go SDK packages for developing Dapr applications
 no_list: true
+cascade:
+  github_repo: https://github.com/dapr/go-sdk
+  github_subdir: daprdocs/content/en/go-sdk-docs
+  path_base_for_github_subdir: content/en/developing-applications/sdks/go/
+  github_branch: main
 ---
 
 A client library to help build Dapr applications in Go. This client supports all public Dapr APIs while focusing on idiomatic Go experiences and developer productivity.