Update _redirects (#1847)

Add a redirect for the governance process overview.

Author: lvpeschke

static/_redirects

@@ -753,8 +753,9 @@
 /validator/run/mainnet /what-is-celo/about-celo-l1/validator/run/mainnet
 /validator/security /what-is-celo/about-celo-l1/validator/security
 /validator/troubleshooting-faq /what-is-celo/about-celo-l1/validator/troubleshooting-faq
+/what-is-celo/using-celo/protocol/governance /what-is-celo/using-celo/protocol/governance/overview
 /why-celo /general
 /why-celo#celo-is-mobile-open-and-real /general
 /why-celo#mobile /general
 /why-celo#open /general
-/why-celo#real /general
+/why-celo#real /general