chore: update README

README.md

@@ -1,4 +1,4 @@
-[![Sails Pay](https://raw.githubusercontent.com/sailscastshq/sails-pay/develop/.github/logo.png)](https://docs.sailscasts.com/pay/)
+[![Sails Pay](https://github.com/sailscastshq/sails-pay/blob/develop/.github/logo.png)](https://docs.sailscasts.com/pay/)
 
 The modern payments engine for Sails applications. Easily setup payments with providers like [Lemon Squeezy](https://lemonsqueezy.com) in your Sails apps. Find full documentation at [docs.sailscasts.com/pay/](https://docs.sailscasts.com/pay/).
 
@@ -8,5 +8,4 @@ If you're interested in contributing to Sails Pay, please read our [contributing
 
 ## Sponsors
 
-If you'd like to become a sponsor, please click on the sponsor button below 💜
-<iframe src="https://github.com/sponsors/DominusKelvin/card" title="Sponsor DominusKelvin" height="225" width="600" style="border: 0;"></iframe>
+If you'd like to become a sponsor, check out [DominusKelvin](https://github.com/sponsors/DominusKelvin) sponsor page and tiers.