Dark icons - master (#353)

Author: mmeigs

source/images/mongosh-plp/icons/General_ACTION_Develop10x.png

@@ -241,6 +241,7 @@ Other Powerful Features
       :cta: Unlock the Power of Editor Mode
       :url: https://www.mongodb.com/docs/mongodb-shell/reference/editor-mode/
       :icon: /images/mongosh-plp/icons/Technical_REALM_CLI10x.png
+      :icon-dark: /images/mongosh-plp/icons/Technical_REALM_CLI_inverse10x.png
       :icon-alt: CLI Icon
 
       Use an external or built-in editor to work with multiline
@@ -250,7 +251,7 @@ Other Powerful Features
    .. card::
       :cta: Access Session Logs
       :url: https://www.mongodb.com/docs/mongodb-shell/logs/
-      :icon: /images/mongosh-plp/icons/Technical_MDB_Shell10x.png
+      :icon: mdb_shell
       :icon-alt: MongoDB Shell Icon
 
       Access session logs for any session within the last 30 days. Find 
@@ -260,7 +261,7 @@ Other Powerful Features
    .. card::
       :cta: View Available Methods
       :url: https://www.mongodb.com/docs/mongodb-shell/reference/methods/
-      :icon: /images/mongosh-plp/icons/General_ACTION_Develop10x.png
+      :icon: general_action_develop
       :icon-alt: Terminal Icon in a circle
 
       Find out which methods ``mongosh`` supports. Get example