Add documentation

.gitlab/issue_templates/Blocker.md

.gitlab/issue_templates/Bug Report.md

.gitlab/issue_templates/Chore.md

.gitlab/issue_templates/Spike.md

.gitlab/issue_templates/Upgrade.md

CHANGELOG.md

CONTRIBUTING.md

README.md

config/trufflehog/.trufflehog3.yml

docs/app-config.md

docs/conventions.md

docs/organization.md

framework/python/base.yaml

platform/base/README.md

platform/base/base.yaml

platform/base/init.yaml

templates/base.yaml

templates/lint.yaml

templates/test.yaml