Add helper method for parsing nostr event tags

app/services/nostr_manager_service.rb

@@ -1,4 +1,11 @@
 require "nostr"
 
 class NostrManagerService < ApplicationService
+  def parse_tags(tags)
+    out = {}
+    tags.each do |tag|
+      out[tag[0].to_sym] = tag[1, tag.length]
+    end
+    out
+  end
 end