fixup! fixup! feat: Add slots for video and file upload components and alerts

Author: xitij2000

src/plugin-slots/CourseFilesSlot/README.md

@@ -12,7 +12,7 @@ This slot is used to replace/modify/hide the course file table UI.
 
 ![Red Border around Files UI](./screenshot_files_border_wrap.png)
 
-The following `env.config.jsx` will wrap the files component with a div that has a large red dashed
+The following `env.config.jsx` will wrap the files component with a div that has a large dashed
 red border.
 
 ```js

src/plugin-slots/CourseOutlinePageAlertsSlot/README.md

@@ -12,7 +12,7 @@ This slot is used to add alerts to the course outline page.
 
 ![Additional Alerts in Outline Page](./screenshot_outline_alert_added.png)
 
-The following `env.config.jsx` will wrap the files component with a div that has a large red dashed redborder.
+The following `env.config.jsx` display a custom additional alert on the course outline page.
 
 ```js
 import { DIRECT_PLUGIN, PLUGIN_OPERATIONS } from '@openedx/frontend-plugin-framework';

src/plugin-slots/CourseVideosSlot/README.md

@@ -12,7 +12,7 @@ This slot is used to replace/modify/hide the course video upload page UI.
 
 ![Red Border around Videos UI](./screenshot_videos_border_wrap.png)
 
-The following `env.config.jsx` will wrap the files component with a div that has a large red dashed redborder.
+The following `env.config.jsx` will wrap the videos UI with a div that has a large dashed red border.
 
 ```js
 import { PLUGIN_OPERATIONS } from '@openedx/frontend-plugin-framework';

src/plugin-slots/EditFileErrorAlertsSlot/README.md

@@ -16,7 +16,7 @@ This slot is used to add alerts to the course file edit page.
 
 ![🍞 in breadcrumbs slot](./screenshot_videos_alert_added.png)
 
-The following `env.config.jsx` will wrap the files component with a div that has a large red dashed redborder.
+The following `env.config.jsx` will display an additional custom alert on the files and uploads page.
 
 ```js
 import { DIRECT_PLUGIN, PLUGIN_OPERATIONS } from '@openedx/frontend-plugin-framework';