chore: add ci workflow to test and lint (#13)

* feat: add wrapper function to support MongoDB transactions

* doc: mark transactions feature as done in future scope section

* fix: support multi tenancy

* doc: fix mgod usage example in README

* doc: multi tenancy advanced guide

* chore: add ci workflow to test and lint

* fix: remove slog usage

* chore: bump monogdb requirement from 3.6 -> 4.4

* fix: add support from mongodb 3.6 with warning note

* doc: refactor docs -> limitations

* fix: remove slog usage

* style: escape less than in installtion markdown file

* chore: limit test workflow trigger for commits against main branch only

feat: docs site (#7)

fixes #10

feat: add documentation for mgod module + remove unused code

* doc: add documentation for mgod module

* fix: documentation links and format

* doc: add missing documentation for package fields and functions

* doc: add package level comments

chore: add logo (#3)