update readme after merge

[stvnrlly]

The previous instructions will work, but with some broken resources. These seem to work properly.

[codecov-io]

Current coverage is 93.12%

Merging #27 into develop will not affect coverage as of d970e6d

@@            develop     #27   diff @@
=======================================
  Files             8       8       
  Stmts           189     189       
  Branches          5       5       
  Methods           0       0       
=======================================
  Hit             176     176       
  Partial           0       0       
  Missed           13      13       

Review entire Coverage Diff as of d970e6d

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[allalala]

Thank you @stvnrlly! This will help with the ATO process.

[stvnrlly]

This should be merged after #28. There will likely be merge conflicts, but the README could also use some additional updating at that point.