Let the world know that these are deprecated now

docs/customizing_dashboards.md

@@ -79,17 +79,9 @@ which are specified through the `.with_options` class method:
 `:order` - Specifies the order of the dropdown menu, can be ordered by more
 than one column. e.g.: `"name, email DESC"`.
 
-`:primary_key` - Specifies object's primary_key. Defaults to `:id`.
-
-`:foreign_key` - Specifies the name of the foreign key directly.
-Defaults to `:#{attribute}_id`.
-
 `:scope` - Specifies a custom scope inside a callable. Useful for preloading.
 Example: `.with_options(scope: -> { MyModel.includes(:rel).limit(5) })`
 
-`:class_name` - Specifies the name of the associated class.
-Defaults to `:#{attribute}.to_s.singularize.camelcase`.
-
 `:include_blank` - Specifies if the select element to be rendered should include
 blank option. Default is `true`.
 
@@ -111,6 +103,14 @@ For example:
 with this, you will be able to search through the column `name` from the
 association `belongs_to :country`, from your model.
 
+`:primary_key` (deprecated) - Specifies object's primary_key. Defaults to `:id`.
+
+`:foreign_key` (deprecated) - Specifies the name of the foreign key directly.
+Defaults to `:#{attribute}_id`.
+
+`:class_name` (deprecated) - Specifies the name of the associated class.
+Defaults to `:#{attribute}.to_s.singularize.camelcase`.
+
 **Field::HasMany**
 
 `:limit` - Set the number of resources to display in the show view. Default is
@@ -120,18 +120,15 @@ association `belongs_to :country`, from your model.
 
 `:direction` - What direction the sort should be in, `:asc` (default) or `:desc`.
 
-`:primary_key` - Specifies object's primary_key. Defaults to `:id`.
+`:primary_key` (deprecated) - Specifies object's primary_key. Defaults to `:id`.
 
-`:foreign_key` - Specifies the name of the foreign key directly. Defaults to `:#{attribute}_id`
+`:foreign_key` (deprecated) - Specifies the name of the foreign key directly. Defaults to `:#{attribute}_id`
 
-`:class_name` - Specifies the name of the associated class.
+`:class_name` (deprecated) - Specifies the name of the associated class.
 Defaults to `:#{attribute}.to_s.singularize.camelcase`.
 
 **Field::HasOne**
 
-`:class_name` - Specifies the name of the associated class.
-Defaults to `:#{attribute}.to_s.singularize.camelcase`.
-
 `:searchable` - Specify if the attribute should be considered when searching.
 Default is `false`.
 
@@ -150,6 +147,9 @@ For example:
 with this, you will be able to search through the column `name` from the
 association `has_many :cities`, from your model.
 
+`:class_name` (deprecated) - Specifies the name of the associated class.
+Defaults to `:#{attribute}.to_s.singularize.camelcase`.
+
 **Field::Number**
 
 `:searchable` - Specify if the attribute should be considered when searching.