feat(display): allow drawing via buffer

include/display.hpp

@@ -12,9 +12,12 @@ class Display {
 
     void begin();
     void clear();
+    void drawBuffer(String buffer[]);
     void drawMenu(Menu& menu);
 
     LiquidCrystal_I2C& getLCD();
   private:
+    uint8_t rows;
+    uint8_t cols;
     LiquidCrystal_I2C lcd;
 };

src/display.cpp

@@ -1,7 +1,7 @@
 #include "display.hpp"
 
 // Initialize the LCD display with the specified number of columns and rows, using the I2C address.
-Display::Display(uint8_t addr, uint8_t cols, uint8_t rows) : lcd(addr, cols, rows) {}
+Display::Display(uint8_t addr, uint8_t cols, uint8_t rows) : rows(rows), cols(cols), lcd(addr, cols, rows) {}
 
 void Display::begin() {
   lcd.init();
@@ -12,6 +12,14 @@ void Display::clear() {
   lcd.clear();
 }
 
+void Display::drawBuffer(String buffer[]) {
+  clear();
+  for (size_t i = 0; i < rows; i++) {
+    lcd.setCursor(0, i);
+    lcd.print(buffer[i].substring(0, cols)); // Ensure we only print up to the number of columns
+  }
+}
+
 void Display::drawMenu(Menu &menu) {
   clear();
   size_t currentItemIndex = menu.getCurrentItemIndex();