docs: update links

Author: kenjis

docs/concepts.md

@@ -21,7 +21,7 @@ on the standard Config class if nothing is found in the database.
 Shield has a model to handle user persistence. Shield calls this the "User Provider" class.
 A default model is provided for you by the `CodeIgniter\Shield\Models\UserModel` class.
 
-You can use your own model to customize user attributes. See [Customizing Shield](./customization.md#custom-user-provider) for details.
+You can use your own model to customize user attributes. See [Customizing User Provider](./customization/user_provider.md) for details.
 
 ## User Identities
 

docs/customization/login_identifier.md

@@ -22,7 +22,7 @@ This only works with the Session authenticator.
     ];
     ```
     > **Warning**
-    > It is very important for security that if you add a new column for identifier you must write a new **Validation Rules** and then set it using the [custom-validation-rules](https://github.com/codeigniter4/shield/blob/develop/docs/customization.md#custom-validation-rules) description.
+    > It is very important for security that if you add a new column for identifier, you must write a new **Validation Rules** and then set it using the [Customizing Validation Rules](./validation_rules.md) description.
 
 3. Edit the login form to change the name of the default `email` input to the new field name.
 

docs/customization/user_provider.md

@@ -1,7 +1,7 @@
 # Customizing User Provider
 
 If you want to customize user attributes, you need to create your own
-[User Provider](./concepts.md#user-providers) class.
+[User Provider](../concepts.md#user-providers) class.
 The only requirement is that your new class MUST extend the provided `CodeIgniter\Shield\Models\UserModel`.
 
 Shield has a CLI command to quickly create a custom `UserModel` class by running the following

docs/guides/strengthen_password.md

@@ -107,7 +107,7 @@ By default, Shield has the validation rules for maximum password length.
 - 72 bytes for PASSWORD_BCRYPT
 - 255 characters for others
 
-You can customize the validation rule. See [Customizing Shield](../customization.md).
+You can customize the validation rule. See [Customizing Validation Rules](../customization/validation_rules.md).
 
 ## $supportOldDangerousPassword
 

docs/install.md

@@ -63,7 +63,7 @@ Require it with an explicit version constraint allowing its desired stability.
 
     > **Note** If you want to customize table names, you must change the table names
     > before running database migrations.
-    > See [Customizing Shield](./customization.md#custom-table-names).
+    > See [Customizing Table Names](./customization/table_names.md).
 
 2. Configure **app/Config/Email.php** to allow Shield to send emails with the [Email Class](https://codeigniter.com/user_guide/libraries/email.html).
 
@@ -140,7 +140,7 @@ your project.
 
     > **Note** If you want to customize table names, you must change the table names
     > before running database migrations.
-    > See [Customizing Shield](./customization.md#custom-table-names).
+    > See [Customizing Table Names](./customization/table_names.md).
 
     ```console
     php spark migrate --all