Update Readme.md to make shell steps more readable

Readme.md

@@ -16,29 +16,39 @@ Currently we _automagically_ install the build dependencies for the following pr
 ## To start building
 
 * Install vagrant, see http://docs.vagrantup.com/v1/docs/getting-started/index.html for more information. (Or install the latest version by running the following command)
+
   ```bash
   bundle install
   ```
+
 * Clone this project!
+  
   ```bash
   git clone https://gitlab.eox.at/vagrant/builder_rpm.git ./
+  
   ```
 * Edit the _Vagrantfile_ and update the project (see the beginning of [Vagrantfile](/vagrant/builder_rpm/tree/master/Vagrantfile))
 * Copy your source archive into the _build/SOURCES_ folder
 * Copy your spec file into the _build/SPECS_ folder 
 * Start the VM
+  
   ```bash
   vagrant up
   ```
+
 * Open a SSH connection
+  
   ```bash
   vagrant ssh
   ```
+
 * Change to the rpmbuild folder
 * Build your RPMs
+  
   ```bash
   rpmbuild -ba SPECS/project.spec
   ```
+  
 * Wait ...
 * On your own machine, you can now find your RPMs in the _build/RPMS_ and _build/SRPMS_ folders
 * Done!