.gitlab-ci.yml: added manual build

Resolves: #2

Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
9 jobs for tmp-manual in 3 minutes and 52 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
canceled #133346841
shared docker
MinGW32

00:00:33

canceled #133346835
shared
asan

00:00:38

canceled #133346829
shared
clang

00:00:43

canceled #133346845
shared
gnutls

00:00:39

passed #133346850
shared
pages-test

00:03:41

canceled #133346848
shared
static-analyzers

00:00:40

canceled #133346837
shared
ubsan

00:00:44

canceled #133346828
shared
x86

00:00:51

canceled #133346827
shared
x86-64

00:00:52