upgrade dependencies

Create docker-publish.yml

chore(deps): upgrade mborne/remote-git and ensure symfony consistency

Merge pull request #20 from mborne/issue_19

Issue 19

Merge pull request #18 from mborne/issue_17

Issue 17

README.md - add requirements

update remote-git to v0.4.0

Merge pull request #12 from mborne/check_style

add php-cs-fixer to format style

add option type to allow git:fetch-all --type gogs-v1 https://codes.q…

…uadtreeworld.net <TOKEN>

build-phar.php - remove useless directories