Issue #3392999 by nevergone: Add d5_profile_field migration (automatic field storage migration).

migrations/d5_profile_field.yml

+id: d5_profile_field
+label: Field configuration
+migration_tags:
+  - Drupal 5
+  - Configuration
+source:
+  plugin: d5_profile_field
+  constants:
+    entity_type: user
+    langcode: en
+    cardinality: 1
+process:
+  entity_type: 'constants/entity_type'
+  status: active
+  langcode: 'constants/langcode'
+  field_name: name
+  type:
+    plugin: static_map
+    source:
+      - type
+    map:
+      textfield: text
+      textarea: text_long
+      selection: list_string
+      url: link
+      list: list_string
+  cardinality: 'constants/cardinality'
+destination:
+  plugin: entity:field_storage_config