Add the redirect module.

Add the migration to migrate all the redirects.

Also, configure the pathauto for the users.

web/modules/custom/agaric_migration/migrations/redirect.yml

@@ -0,0 +1,41 @@
+id: agaric_redirect
+migration_group: agaric
+label: Agaric Path Redirect
+source:
+  plugin: d7_path_redirect
+  scheme: public
+process:
+  rid: rid
+  uid:
+    - plugin: migration_lookup
+      migration: agaric_user
+      source: uid
+      no_stub: true
+    - # If the user id does not exists then migrate it as anonymous.
+      plugin: default_value
+      default_value: 0
+  redirect_source/path: source
+  redirect_source/query:
+    plugin: d7_redirect_source_query
+    source: source_options
+  redirect_redirect/uri:
+    -
+      plugin: migration_lookup_uri
+      source:
+       - redirect
+       - redirect_options
+    -
+      plugin: d7_path_redirect
+  language:
+    plugin: default_value
+    source: language
+    default_value: und
+  status_code:
+    -
+      plugin: static_map
+      source: status_code
+      map:
+        0: 301
+      bypass: TRUE
+destination:
+  plugin: entity:redirect