Changed . token to _dot

This change allows the dotfiles to work with chezmoi (e.g: on windows)
and improves grepability with neovim/telescope

dot_config/nushell/nu_scripts/sourced/github/merged-branches/merged-branches.nu

@@ -0,0 +1,15 @@
+#!/usr/bin/env nu
+gh api $"orgs/($env.OWNER)/repos"
+|from json
+|each {|repo|
+    gh api $"repos/($env.OWNER)/($repo.name)/pulls?state=closed"
+    |from json
+    |if ($in|length) > 0 {
+        each {|pull|
+            print $"Removing branch ($pull.head.ref) from repo ($repo.name)"
+            gh api -X DELETE $"repos/($env.OWNER)/($repo.name)/git/refs/heads/($pull.head.ref)"
+        }
+    } else {
+        print $"Repo ($repo.name) has no branches to delete"
+    }
+}