docs for teracy's workflow [#5]

It's important to have a consistent workflow for tericiers to work together.
docs for teracy's workflow: add git branching off section [#5]
docs for teracy's workflow: add no tab chracters rule [#5]
Add one more rule to quality checklist: no tab characters are allowed
docs for teracy's workflow: reformat [#5]

Add ``git branch cleaning up`` section, reformat text to make sure meet 100 character line length
docs for teracy's workflow: add git push force section [#5]
docs for teracy's workflow: update workflow [#5]
docs for teracy's workflow: fix typos, format [#5]
Merge remote-tracking branch 'hoatle/docs_5_workflow' into develop