Update README.md

README.md

 # How to migrate SVN to GitLab with few commands
 
+1. First we should install git
+$ sudo apt-get install git
+2. Then you should install git-svn
+
+$ sudo apt-get install git-svn
+3. Clone your repository by git-svn command
+
+$ git svn clone YOUR_SVN_URL
+4. Add your Gitlab url in same directory.
+
+$ git remote add gitlab YOUR_GITLAB_URL
+5.Finally push your SVN repository to Gitlab.
+
+$ git push — set-upstream gitlab master
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