change font size

settings.py

@@ -1,6 +1,21 @@
+from PyQt6.QtGui import QFont
 
 
 class Settings():
+
+    def __init__(self):
+        self.font_size(12)
+
     @staticmethod
     def max_line_length():
-        return 4096
+        return 4096
+
+    def font(self) -> QFont:
+        return self._font
+
+    def get_font_size(self) -> int:
+        return self._font_size
+
+    def font_size(self, font_size: int):
+        self._font_size = font_size
+        self._font = QFont("monospace", font_size)