Adding Credential manager.

Also adding resident credentials.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>

src/fido/fido.h

@@ -67,6 +67,7 @@ extern void init_fido();
 extern bool getUserVerifiedFlagValue();
 #define MAX_CREDENTIAL_COUNT_IN_LIST    16
 #define MAX_CRED_ID_LENGTH        1024
+#define MAX_RESIDENT_CREDENTIALS  256
 
 typedef struct known_app {
     const uint8_t *rp_id_hash;