checked files and taxo migration, added migrate shell script, started managing admin UI

web/modules/custom/materio_migrate/config/install/migrate_plus.migration.d7_allpublicfiles.yml

@@ -8,7 +8,7 @@ migration_tags:
   - Drupal 7
   - Content
 source:
-  plugin: d7_file
+  plugin: d7_pubic_file
   scheme: public
   constants:
     # The tool configuring this migration must set source_base_path. It
@@ -19,7 +19,7 @@ source:
 process:
   # If you are using this file to build a custom migration consider removing
   # the fid field to allow incremental migrations.
-  fid: fid
+  # fid: fid
   filename: filename
   source_full_path:
     -