Introduce relay

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

config/config.exs

@@ -16,6 +16,7 @@ config :mobilizon, :instance,
   hostname: System.get_env("MOBILIZON_INSTANCE_HOST") || "localhost",
   registrations_open: System.get_env("MOBILIZON_INSTANCE_REGISTRATIONS_OPEN") || false,
   repository: Mix.Project.config()[:source_url],
+  allow_relay: true,
   remote_limit: 100_000,
   upload_limit: 16_000_000,
   avatar_upload_limit: 2_000_000,
@@ -109,6 +110,9 @@ config :auto_linker,
 config :phoenix, :format_encoders, json: Jason, "activity-json": Jason
 config :phoenix, :json_library, Jason
 
+config :http_signatures,
+  adapter: Mobilizon.Service.HTTPSignatures.Signature
+
 config :mobilizon, Mobilizon.Service.Geospatial.Nominatim,
   endpoint:
     System.get_env("GEOSPATIAL_NOMINATIM_ENDPOINT") || "https://nominatim.openstreetmap.org",

config/dev.exs

@@ -11,7 +11,9 @@ config :mobilizon, MobilizonWeb.Endpoint,
     port: System.get_env("MOBILIZON_INSTANCE_PORT") || 4000
   ],
   url: [
-    host: System.get_env("MOBILIZON_INSTANCE_HOST") || "mobilizon.local"
+    host: System.get_env("MOBILIZON_INSTANCE_HOST") || "mobilizon.local",
+    port: 80,
+    scheme: "http"
   ],
   debug_errors: true,
   code_reloader: true,