Update README.adoc to enhance documentation and installation instructions

Author: otaviojava

README.adoc

@@ -1,2 +1,17 @@
-== behavior-driven-test-mongodb
-A sample code using BDD with MongodB
+= Data Driven Test
+:toc: auto
+
+image::http://www.jnosql.org/img/logos/mongodb.png[MongoDB, width=200px]
+
+**Mongodb**: MongoDB is a free and open-source cross-platform document-oriented database program. Classified as a NoSQL database program, MongoDB uses JSON-like documents with schemas.
+
+== How to install with Docker
+
+1. Install docker: https://www.docker.com/
+2. https://hub.docker.com/_/mongo
+3. Run docker command:
+
+[source, bash]
+----
+docker run -d --name mongodb-instance -p 27017:27017 mongo
+----