Adiciona campo field_user_mathscinetid ao módulo

Inclui config/install com langcode en, update hook 10008 para sites
já instalados e tradução pt-br do label e descrição do campo.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

config/install/field.field.user.user.field_user_mathscinetid.yml

@@ -0,0 +1,23 @@
+langcode: en
+status: true
+dependencies:
+  config:
+    - field.storage.user.field_user_mathscinetid
+  module:
+    - user
+id: user.user.field_user_mathscinetid
+field_name: field_user_mathscinetid
+entity_type: user
+bundle: user
+label: 'MathSciNet ID'
+description: 'MathSciNet identifier of the researcher.'
+required: false
+translatable: false
+default_value: {  }
+default_value_callback: ''
+settings:
+  min: null
+  max: null
+  prefix: ''
+  suffix: ''
+field_type: integer

config/install/field.storage.user.field_user_mathscinetid.yml

@@ -0,0 +1,19 @@
+langcode: en
+status: true
+dependencies:
+  module:
+    - user
+id: user.field_user_mathscinetid
+field_name: field_user_mathscinetid
+entity_type: user
+type: integer
+settings:
+  unsigned: false
+  size: normal
+module: core
+locked: false
+cardinality: 1
+translatable: true
+indexes: {  }
+persist_with_no_fields: false
+custom_storage: false