doc: Update README.md (#20)

Author: akugone

README.md

@@ -161,6 +161,7 @@ Fork this repository and ensure you're working on the `main` branch:
 - complete `explorer` section
 - Maybe split input and output in two diff sub section in build your iapp guide
 - SGX vs TDX need review
+- Explorer l'intégration de codeSpace
 - complete `build-iapp` section
 - complete `Protocol`section
 - What about Bridge ?