Add links to Google Analytics and Pingdom
Add `.DS_Store` to `.gitignore`

- Macs, lol
@wip attempting to explain the credentials creation process
Change generation name and update docs accordingly
remove the optimistic lie
Reorder the query params:

- Query, then data-store, then credentials, then token
Reword and reorder each config file description
indentation and reordering, orientated around files passed to main function
Remove ambiguity - you can't pass functions to additionalFields
Link to the entrypoints / packages currently in use
make the creds dir if it doesn't already exist
leave other
Error management for ga setup
remove errant link variable name
os not os.path
bold for notes (compromise between rst and github md)
Merge pull request #48 from alphagov/3rdpartyreadable

Make the docs a bit more user friendly [#70840170]