Added a bunch of config, apparently wasn't in git

modules/opencase_defaults/config/optional/user.role.overseer.yml

@@ -0,0 +1,20 @@
+langcode: en
+status: true
+dependencies: {  }
+id: overseer
+label: Overseer
+weight: 4
+is_admin: null
+permissions:
+  - 'add activity entities'
+  - 'add case entities'
+  - 'add client entities'
+  - 'add volunteer entities'
+  - 'delete activity entities'
+  - 'delete case entities'
+  - 'delete client entities'
+  - 'delete volunteer entities'
+  - 'edit client entities'
+  - 'edit volunteer entities'
+  - 'view published client entities'
+  - 'view published volunteer entities'