add print int function to display

src/display/Display.cpp

@@ -137,6 +137,18 @@ void Display::println(String value){
   this->println(msgBuffer);
 };
 
+void Display::print(int value){
+  char cstr[16];
+
+  this->print(itoa(value, cstr, 10));
+};
+
+void Display::println(int value){
+  char cstr[16];
+
+  this->println(itoa(value, cstr, 10));
+};
+
 void Display::println(char *value){
     this ->print(value);
     this->print("\n");

src/display/Display.h

@@ -87,6 +87,21 @@ class Display{
         */
         void println(String value);
         
+        /**
+         * @brief prints the passed string right behind the current displaycontent
+         * the sequence "\n" can be used to make a linebreak on the display
+         * 
+         * @param value the string "xyz" that should be printed to the display
+        */
+        void print(int value);
+
+        /**
+         * @brief same as the print method, but after the string a line break is inserted
+         * 
+         * @param value the string that should be printed
+        */
+        void println(int value);
+
         /**
          * @brief string to char
          *