Add working configuration from initial install, plus agarica theme enablement

config/sync/config_snapshot.snapshot.config_sync.module.group.yml

@@ -0,0 +1,39 @@
+uuid: 94ded23f-e5e4-4939-a99e-874b7e1b8ab6
+langcode: en
+status: true
+dependencies:
+  module:
+    - group
+id: config_sync.module.group
+snapshotSet: config_sync
+extensionType: module
+extensionName: group
+items:
+  -
+    collection: ''
+    name: field.storage.group_content.group_roles
+    data:
+      langcode: en
+      status: true
+      dependencies:
+        module:
+          - group
+          - options
+      id: group_content.group_roles
+      field_name: group_roles
+      entity_type: group_content
+      type: entity_reference
+      settings:
+        target_type: group_role
+      module: core
+      locked: true
+      cardinality: -1
+      translatable: false
+      indexes: {  }
+      persist_with_no_fields: true
+      custom_storage: false
+  -
+    collection: ''
+    name: group.settings
+    data:
+      use_admin_theme: true