Issue #65: Add CVT badge

Signed-off-by: rafaelcosc <rpd17@inf.ufpr.br>
2 jobs for issue/65 in 2 minutes and 48 seconds (queued for 3 seconds)
Name Stage Failure
failed
build Build
Using Shell executor...
Running on gitlabrunner...
Reinitialized existing Git repository in /home/gitlab-runner/builds/8fec8106/0/simmctic/simmctic/.git/
Fetching changes...
From https://gitlab.c3sl.ufpr.br/simmctic/simmctic
* [new branch] issue/65 -> origin/issue/65
Checking out c4534831 as issue/65...
fatal: reference is not a tree: c4534831db95fca495f7f45d0cdf7400ed4cc89a
ERROR: Job failed: exit status 1