clean up main

src/utils.cpp

@@ -11,6 +11,13 @@ std::string pNum(float num, uint8_t decs) {
     return pNum((double)num, decs);
 }
 
+// pads given string to length
+std::string pad(std::string s, uint8_t len, bool ljust) {
+    if (len > s.size())
+        s.insert(ljust ? s.end() : s.begin(), len - s.size(), FILL_CHAR);
+    return s;
+}
+
 
 // converts large number in (k)bytes to human readable numer with suffix and sane decimal
 std::string pBytes(double bytes, bool isKbytes) {