Update cnames_active.js

Author: AustinZhu

cnames_active.js

@@ -3045,6 +3045,7 @@ var cnames_active = {
   "sociably": "machinat.github.io/sociably",
   "social-likes": "sapegin.github.io/social-likes", // noCF? (don´t add this in a new PR)
   "social-likes-next": "sapegin.github.io/social-likes-next", // noCF? (don´t add this in a new PR)
+  "social-sdk": "socialmated.github.io/social-sdk",
   "soda": "yieldray.github.io/soda",
   "solace": "cname.vercel-dns.com", // noCF
   "solara": "getsolarajs.github.io/solara-docs",