Add installation instructions to README.

README.md

@@ -1,38 +1,44 @@
 # Installation
 
-Install as you normally would. This module creates the following entity types:
+Use composer to download the module, there is an open issue on Drupal.org
+in Paragraphs that prevents this module from working without a patch.
+Composer should apply the patch automatically.
+
+    composer require drupal/media_attribution
+
+The issue the patch comes from is at https://www.drupal.org/project/paragraphs/issues/2901390
+
+When you install the module, it creates the following configurations:
 
   * Taxonomy vocabulary
     * Licences (media_attribution_licenses) - Includes License Link and License Icon fields
+      * The vocabulary is populated with a set of Creative Commons licenses.
   * Paragraphs type
     * License Attribution (license_attribution)
-    * This field is automatically added to the Image media type on install.
-    
+      * This field is automatically added to the Image media type on install.
+
 # Use
 
 The installation script automatically adds the attribution paragraphs field
-to the Image media type if it exists. Otherwise adding attribution 
-can be done at Admin -> Structure -> Media Types. 
+to the Image media type if it exists. Otherwise adding attribution
+can be done at Admin -> Structure -> Media Types.
 
-The attribution paragraph field has the following components
-
-Source Work link, including a title and URL. This title is
-usually the title of the original work.
+When you click the Embed Media button, the attribution links
+fields will show up in the Media along with Title, Alt text, etc.
+Alternatively you can edit the media content entity directly.
 
-Original Author link, including name and URL of the author's home page.
+The attribution paragraph field has the following components
 
-License type - optional, the license under which the linked work is released.
+  * Source Work link, including a title and URL. This title is
+    usually the title of the original work.
 
-Free-form attribution text - optional, arbitrary text to clarify attribution. If no
-license is selected, this text can be used to identify copyrighted works with e.g., 
-"All rights reserved, used with permisssion."
+  * Original Author link, including name and URL of the author's home page.
 
-To add an attribution to a media object, you will need
-to edit the media entity directly since the text editor
-embed form no longer uses the entity form display settings.
+  * License type - optional, the license under which the linked work is released.
 
-Go to Admin -> Content -> Media to find and edit
-the media and add attribution info.
+  * Free-form attribution text - optional, arbitrary text to clarify attribution. If no
+    license is selected, this text can be used to identify copyrighted works with e.g.,
+    "All rights reserved, used with permisssion."
 
 This source and author info will be rendered below an embedded media object
 when showing the node, following the format preferred by Creative Commons,
@@ -52,8 +58,8 @@ Run `drush help media_attribution:load_licenses` for how to load license data fr
 
 # Authors
 
-Alexander O'Neill ([alxp](https://drupal.org/u/alxp))
+Alexander O'Neill https://drupal.org/u/alxp
 
 # Sponsoring Organization
 
-[University of Prince Edward Island Robertson Library](https://library.upei.ca/)
+[University of Prince Edward Island Robertson Library](https://library.upei.ca/)