Adds new sponsor.

README.md

@@ -60,7 +60,7 @@
         <strong>Special thanks to:</strong>
         <a href="https://oss.capital/">
             <div>
-                <img src="https://d3j2pkmjtin6ou.cloudfront.net/sponsors/oss-capital.svg" width="300" alt="OSS Capital">
+                <img src="https://d3j2pkmjtin6ou.cloudfront.net/sponsors/oss-capital.svg" width="350" alt="OSS Capital">
             </div>
             <div>
                 <sup><strong>Founded in 2018, OSS Capital is the first and only venture capital platform focused<br>exclusively on supporting early-stage COSS (commercial open source) startup founders.</strong></sup>
@@ -70,7 +70,7 @@
     <p>
         <a href="https://www.gitpod.io/?utm_campaign=jwasham&utm_medium=referral&utm_content=coding-interview-university&utm_source=github">
             <div>
-                <img src="https://d3j2pkmjtin6ou.cloudfront.net/sponsors/gitpod-logo-light-theme.png" width="300" alt="Gitpod">
+                <img src="https://d3j2pkmjtin6ou.cloudfront.net/sponsors/gitpod-logo-light-theme.svg" width="350" alt="Gitpod">
             </div>
             <div>
                 Dev environments built for the cloud