DOCS-14971 Update Compass Editions Matrix (#518)

Author: ajhuh-mdb

source/editions.txt

@@ -37,7 +37,7 @@ suit your needs.
    * - View and optimize query performance with visual
        :ref:`explain plans <explain-plans>`
      - |checkmark|
-     - 
+     - |checkmark|
      - |checkmark|
 
    * - Kerberos, LDAP, and x.509 authentication
@@ -70,3 +70,8 @@ suit your needs.
      - |checkmark|
      - |checkmark|
      -
+
+   * - Embedded shell support
+     - |checkmark|
+     -
+     - |checkmark|