Docker (#2867)

* Dockerize Misskey

* Add a new line at EOF

* Add support Elasticsearch

* /

* Add setup document for docker

* Add english document

* Edit docs

* docker -> Docker

* Arrange format

* Update docker.en.md

* Modify title

.config/mongo_initdb_example.js

@@ -0,0 +1,13 @@
+var user = {
+	user: 'example-misskey-user',
+	pwd: 'example-misskey-pass',
+	roles: [
+	    {
+		    role: 'readWrite',
+		    db: 'misskey'
+	    }
+	]
+};
+
+db.createUser(user);
+