Add Apihouse, an alternative site of Public APIs project (#2017)

* add alternative site for the free-apis project

* remove blank space

README.md

@@ -45,7 +45,8 @@
     <br />
     <a href="https://free-apis.github.io">Free APIs</a> •
     <a href="https://devresourc.es/tools-and-utilities/public-apis">Dev Resources</a> •
-    <a href="https://www.public-apis.ml">Public APIs Site</a>
+    <a href="https://www.public-apis.ml">Public APIs Site</a> •
+    <a href="https://apihouse.vercel.app">Apihouse</a>
 </div>
 
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