added setCountPages

lib/Menu/menuInformationSites.cpp

@@ -63,6 +63,14 @@ void MenuInformationSites::update() {
     this->lastMillis = millis();
 }
 
+bool MenuInformationSites::setCountPages(uint8_t pages) {
+    if (this->countPages < pages)
+        this->countPages = pages;
+    else
+        return false;
+    return true;
+}
+
 uint8_t MenuInformationSites::getCountPages() const {
     return this->countPages;
 }