doc: add release key for Ruy Adorno

Add Ruy Adorno and his Release key.

Refs: nodejs/Release#597

Author: ruyadorno

README.md

@@ -585,6 +585,8 @@ Primary GPG keys for Node.js Releasers (some Releasers sign with subkeys):
 `DD8F2338BAE7501E3DD5AC78C273792F7D83545D`
 * **Ruben Bridgewater** <[email protected]>
 `A48C2BEE680E841632CD4E44F07496B3EB3C1762`
+* **Ruy Adorno** <[email protected]>
+`108F52B48DB57BB0CC439B2997B01419BD92F80A`
 * **Shelley Vohr** <[email protected]>
 `B9E2F5981AA6E0CD28160D9FF13993A75599653C`
 
@@ -599,6 +601,7 @@ gpg --keyserver pool.sks-keyservers.net --recv-keys C4F0DFFF4E8C1A8236409D08E73B
 gpg --keyserver pool.sks-keyservers.net --recv-keys C82FA3AE1CBEDC6BE46B9360C43CEC45C17AB93C
 gpg --keyserver pool.sks-keyservers.net --recv-keys DD8F2338BAE7501E3DD5AC78C273792F7D83545D
 gpg --keyserver pool.sks-keyservers.net --recv-keys A48C2BEE680E841632CD4E44F07496B3EB3C1762
+gpg --keyserver pool.sks-keyservers.net --recv-keys 108F52B48DB57BB0CC439B2997B01419BD92F80A
 gpg --keyserver pool.sks-keyservers.net --recv-keys B9E2F5981AA6E0CD28160D9FF13993A75599653C
 ```