Add base file for installing shell

Author: jeff-allen-mongo

source/includes/steps-install-shell-base.yaml

@@ -0,0 +1,15 @@
+---
+title: "Navigate to the MongoDB Download Center."
+ref: navigate-dlc
+level: 4
+content: |
+
+  Open the `MongoDB Download Center
+  <https://www.mongodb.com/download-center/community?jmp=docs>`__.
+---
+title: "Open the |mdb-shell| Download Page."
+ref: open-mdb-shell-page
+level: 4
+content: |
+
+   Click :guilabel:`Tools`, then select :guilabel:`MongoDB Shell`.