Merge branch '12-create-a-pipeline-to-build-and-publish-the-docker-image-in-gitlab-registry' into 'develop'

Resolve "Create a pipeline to build and publish the docker image in gitlab registry"

See merge request !4

Merge branch '5-create-in-blockly-a-block-that-allows-easy-replacement-of-variables-like-the-string-format-in-java' into 'develop'

Resolve "Create in Blockly a block that allows easy replacement of variables like the String.format in Java"

See merge request !3

Resolve "Create in Blockly a multiline text block"

See merge request !2