Merge pull request #17 from input-output-hk/ETCM-3758-add-issue-template
ETCM-3758 Add ISSUE-TEMPLATE.md from the Armadillo repo Bugreport.md
ETCM-3758 Add ISSUE-TEMPLATE.md from the Armadillo repo Bugreport.md
ETCM-3755 Add contributing.md
ETCM-3754 Add CODE-OF-CONDUCT.md