Release v0.6.9

-Fix draw app with smoother lines
-Exit function draw app

esp32_marauder/Display.h

@@ -10,6 +10,7 @@
 #include <SPI.h>
 //#include <lvgl.h>
 #include <Ticker.h>
+//#include <M5Stack.h>
 #include "SPIFFS.h"
 #include "Assets.h"
 
@@ -75,7 +76,7 @@ class Display
     TFT_eSPI tft = TFT_eSPI();
     TFT_eSprite img = TFT_eSprite(&tft);
     TFT_eSPI_Button key[BUTTON_ARRAY_LEN];
-    String version_number = "v0.6.8";
+    String version_number = "v0.6.9";
 
     bool printing = false;
     bool loading = false;