adding new guide for Yield Flow with Embedded Wallet + Trails (#220)

* adding new guide for Yield Flow with Embedded Wallet + Trails

* Auto-update guide cards metadata [skip ci]

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: bunnybones1

docs.json

@@ -1007,7 +1007,8 @@
                       "guides/building-relaying-server",
                       "guides/analytics-guide",
                       "guides/build-embedding-wallet",
-                      "guides/use-with-privy"
+                      "guides/use-with-privy",
+                      "guides/embedded-wallet-yield-with-trails"
                     ]
                   },
                   {