build: Add a gitlab CI configuration file

3 jobs for master in 24 seconds
Status Job ID Name Coverage
  Autogen
failed #952
autogen

00:00:24

 
  Build
skipped #953
build
 
  Test
skipped #954
test
 
Name Stage Failure
failed
autogen Autogen
  libreadline7 libsasl2-2 libsasl2-modules libsasl2-modules-db libsigsegv2
libsqlite3-0 libssl1.1 libstdc++-6-dev libtasn1-6 libtool libtsan0 libubsan0
linux-libc-dev m4 make manpages manpages-dev netbase patch perl
perl-modules-5.24 pinentry-curses readline-common rename xz-utils
0 upgraded, 82 newly installed, 0 to remove and 1 not upgraded.
Need to get 58.5 MB of archives.
After this operation, 238 MB of additional disk space will be used.
Do you want to continue? [Y/n] Abort.
ERROR: Job failed: exit code 1