adding build message to readme.

Signed-off-by: Gnanakeethan Balasubramaniam <gnanakeethan@gmail.com>
adding softdeletes option to database.

Signed-off-by: Gnanakeethan Balasubramaniam <gnanakeethan@gmail.com>
adding subjects table and tutorials table migrations.

Signed-off-by: Gnanakeethan Balasubramaniam <gnanakeethan@gmail.com>