add workflow

[storybehind]

A brief description of the changes in this PR:

Workflow to build, distribute and test zwalletcli in apt package manager

Run curl -sL https://packages.zus.network/aptrepo/zwallet_deb_install.sh | bash to install zwallet

Tasks to complete before merging PR:

• [ ] Ensure system tests are passing. If not Run them manually to check for any regressions :clipboard:
• [ ] Do any new system tests need added to test this change? do any existing system tests need updated? If so create a PR at 0chain/system_test
• [ ] Merge your system tests PR to master AFTER merging this PR

Associated PRs (Link as appropriate):

• blobber:
• gosdk:
• system_test:
• zboxcli:
• 0chain:
• Other: ...