Update Readme

README.md

@@ -64,6 +64,10 @@ functions used to verify the absence of RTE in the library.
 - `sw/airborne/math/pprz_algebra_float_convert_rmat_frama_c.h`:
 Definition of predicates, lemma and logical functions for the
 verification of functional properties.
+- `sw/airborne/.frama-c/wp/interactive`: All the Coq scripts
+containing the proof of certain lemma.
+- `sw/airborne/.frama-c/wp/script`: All WP scripts containing
+the tactics used to prove some goals.
 
 The verification:
 -----------------