Issue #3081192: Capitalize module name everywhere as suggested by alonaoneill

README.txt

 INTRODUCTION
 ------------
 
-JSON:API image styles is a JSON:API extension that exposes image style urls of a
+JSON:API Image Styles is a JSON:API extension that exposes image style urls of a
 drupal image to jsonapi export. This allows e.g. crop-defined image styles to be
 consumed by frontend builds.
 
@@ -27,7 +27,7 @@ CONFIGURATION
 -------------
 
  * Configure the image styles you wish to expose in Administration »
- Configuration » Web Services » JSON:API Image styles
+ Configuration » Web Services » JSON:API Image Styles
  (/admin/config/services/jsonapi/image_styles)
 
    - Select the image styles you wish to expose for JSON:API

jsonapi_image_styles.links.menu.yml

 jsonapi_image_styles.settings:
-  title: 'JSON:API image styles'
+  title: 'JSON:API Image Styles'
   parent: system.admin_config_services
   description: 'Configure image styles to expose for JSON:API'
   route_name: jsonapi_image_styles.settings

jsonapi_image_styles.routing.yml

@@ -2,7 +2,7 @@ jsonapi_image_styles.settings:
   path: /admin/config/services/jsonapi/image_styles
   defaults:
     _form: \Drupal\jsonapi_image_styles\Form\JsonApiImageStylesAdminForm
-    _title: 'JSON:API image styles'
+    _title: 'JSON:API Image Styles'
   requirements:
     _permission: 'Administer image styles'
   options: