Adds migration configs.

config/install/migrate_plus.migration.cdesai_paragraph_parents.yml

@@ -0,0 +1,60 @@
+# Migration configuration for attaching paragraphs to parent paragraphs (row).
+id: cdesai_paragraph_parents
+label: 'Parent (Row) Paragraphs'
+migration_group: CDESAI
+
+source:
+  # Upload source files at /admin/config/development/cdesai/migrate.
+  plugin: cdesai_paragraph_migrate_source
+
+process:
+  langcode: en
+  field_bundles/target_id:
+    # Skips a row if skip_migration property is set to TRUE.
+    -
+      plugin: skip_on_value
+      equals: true
+      source: skip_migration
+      value: 'TRUE'
+      method: row
+    # Skips a row if scrapped property is set to FALSE.
+    -
+      plugin: skip_on_value
+      equals: true
+      source: scrapped
+      value: 'FALSE'
+      method: row
+    -
+      plugin: migration_lookup
+      migration: cdesai_paragraphs
+      no_stub: true
+      source: page
+    -
+      plugin: extract
+      index:
+        - '0'
+  field_bundles/target_revision_id:
+    -
+      plugin: migration_lookup
+      migration: cdesai_paragraphs
+      no_stub: true
+      source: page
+    -
+      plugin: extract
+      index:
+        - '1'
+
+destination:
+  plugin: 'entity_reference_revisions:paragraph'
+  default_bundle: row
+
+# make sure these migration execute before running current migration
+migration_dependencies:
+  required:
+    - cdesai_paragraphs
+
+# use forced module dependency so uninstall/reinstall works properly
+dependencies:
+  enforced:
+    module:
+      - cdesai_migrate