Add a new Phoenix config option

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

config/dev.exs

@@ -53,6 +53,9 @@ config :logger, :console, format: "[$level] $message\n", level: :debug
 # in production as building large stacktraces may be expensive.
 config :phoenix, :stacktrace_depth, 20
 
+# Initialize plugs at runtime for faster development compilation
+config :phoenix, :plug_init_mode, :runtime
+
 config :mobilizon, Mobilizon.Mailer, adapter: Bamboo.LocalAdapter
 
 # Configure your database