Update README.md

Author: luu176

README.md

@@ -28,6 +28,8 @@ This is a list of metro cards and transit systems that need support or have part
   - To Do: Add support for reading and analyzing Tianjin Railway Transit cards.
 - [ ] **Clipper**  
   - To Do: Add support for reading and analyzing Clipper cards.
+- [ ] **Navigo**  
+  - To Do: Add support for reading and analyzing Navigo cards (paris, france).
 
 
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