Added mongodb config

mongodb/init.sls

@@ -0,0 +1,17 @@
+#
+# mongodb
+#
+
+mongodb-repo-4.2:
+  pkgrepo.managed:
+    - humanname: MongoDB Repo
+    - name: deb http://repo.mongodb.org/apt/debian buster/mongodb-org/4.2 main
+    - file: /etc/apt/sources.list.d/mongodb-org-4.2.list
+    - key_url: https://www.mongodb.org/static/pgp/server-4.2.asc
+
+mongodb:
+  pkg.installed:
+    - name: mongodb-org
+  service.running:
+    - name: mongod
+    - enable: True