update relevant docs

CONTRIBUTING.md

@@ -350,7 +350,7 @@ These are the current metrics we collect usage stats for:
 > Note: The curly brackets in the metric name represents a template and is replaced with a value when the metric is processed.
 
 Metrics are collected within 3 scopes Daily, monthly, an infinity. Adding new usage metric in order to aggregate usage stats is very simple, but very much dependent on where do you want to collect
-statistics ,via API or via background worker. For both cases you will need to add a `const` variable in `app/init.php` under the usage metrics list using the naming convention `METRIC_<RESOURCE_NAME>` as shown below.
+statistics ,via API or via background worker. For both cases you will need to add a `const` variable in `app/init/app.php` under the usage metrics list using the naming convention `METRIC_<RESOURCE_NAME>` as shown below.
 
 ```php
 // Usage metrics

docs/tutorials/add-translations.md

@@ -135,9 +135,9 @@ Add your language code to [codes.php](https://github.com/appwrite/appwrite/blob/
     ...
 ```
 
-Finally, load your translation file in `init.php` by following a pattern similar to the [existing languages](https://github.com/appwrite/appwrite/blob/locale/app/init.php#L270).
+Finally, load your translation file in `app.php` by following a pattern similar to the [existing languages](https://github.com/appwrite/appwrite/blob/locale/app/init/app.php#L270).
 
-> Please make sure to keep both `codes.php` and `init.php` in the alphabetical order A-Z.
+> Please make sure to keep both `codes.php` and `app.php` in the alphabetical order A-Z.
 
 ## 4. Test the translations