Refactor adding tags to an event

Also refactor extracting tags from content, now uses Pleroma's Formatter

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

config/config.exs

@@ -94,6 +94,18 @@ config :geolix,
     }
   ]
 
+config :auto_linker,
+  opts: [
+    scheme: true,
+    extra: true,
+    # TODO: Set to :no_scheme when it works properly
+    validate_tld: true,
+    class: false,
+    strip_prefix: false,
+    new_window: false,
+    rel: false
+  ]
+
 config :phoenix, :format_encoders, json: Jason, "activity-json": Jason
 config :phoenix, :json_library, Jason