auto-renderer README.md - added integrity (#591)
auto-renderer README.md - added integrity (#591)

Integrity generated from https://www.srihash.org/
Reference: https://developer.mozilla.org/en-US/docs/Web/Security/Subresource_Integrity
azotova/KaTeX,saschatimme/KaTeX,saschatimme/KaTeX,kwangkim/KaTeX,xymostech/KaTeX,saschatimme/KaTeX,kwangkim/KaTeX,azotova/KaTeX,saschatimme/KaTeX,saschatimme/KaTeX,Khan/KaTeX,kwangkim/KaTeX,Khan/KaTeX,kwangkim/KaTeX,xymostech/KaTeX,azotova/KaTeX,azotova/KaTeX,kwangkim/KaTeX,xymostech/KaTeX,xymostech/KaTeX,xymostech/KaTeX,Khan/KaTeX,azotova/KaTeX