bw: add page (#2537)

pages/common/bw.md

@@ -0,0 +1,23 @@
+# bw
+
+> A CLI to access and manage a Bitwarden vault.
+
+- Log in to a Bitwarden user account:
+
+`bw login`
+
+- Log out of a Bitwarden user account:
+
+`bw logout`
+
+- Search and display items from Bitwarden vault:
+
+`bw list items --search {{github}}`
+
+- Display a particular item from Bitwarden vault:
+
+`bw get item {{github}}`
+
+- Create a folder in Bitwarden vault:
+
+`{{echo -n '{"name":"My Folder1"}' | base64}} | bw create folder`