Scripts and CI utilities (#42)

* scripts+ci: introduce scripts submodule and CI workflow

* scripts PR: remove CI workflow; moved to separate PR #57 per admin feedback

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Co-authored-by: aibuddy <aibuddy@dev.hg.fi>

Author: heusalagroupbot

.gitmodules

@@ -0,0 +1,6 @@
+[submodule ".cursor/rules"]
+	path = .cursor/rules
+	url = git@github.com:hyperifyio/go-cursor-rules.git
+[submodule "scripts"]
+	path = scripts
+	url = git@github.com:hyperifyio/go-scripts.git