Update permissions doc

[abhijeetps]

---

View rendered docs/permissions.md

[codecov]

Codecov Report

Merging #85 into master will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master      #85   +/-   ##
=======================================
  Coverage   85.82%   85.82%           
=======================================
  Files          27       27           
  Lines         381      381           
  Branches       77       77           
=======================================
  Hits          327      327           
  Misses         49       49           
  Partials        5        5           

Impacted Files	Coverage Δ
src/bin/getContributors.js	80.00% <100.00%> (ø)
src/bin/getSearchIssues.js	100.00% <100.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update ad544de...f856ba5. Read the comment docs.