added getRemainingLimit()

Author: joeri-vv

README.md

@@ -1,5 +1,5 @@
 <p align="center">
-  <a href="https://www.bitvavo.com"><img src="https://bitvavo.com/media/images/logo/bitvavoGeneral.svg" width="600" title="Bitvavo Logo">
+  <a href="https://www.bitvavo.com"><img src="https://bitvavo.com/media/images/logo/bitvavoGeneral.svg" width="600" title="Bitvavo Logo"></a>
 </p>
 
 # Python Bitvavo Api