Added a way to lock execution if the main screen fails to initialize

src/UIScreen.cpp

@@ -4,12 +4,18 @@
 #include "UIDimensions.h"
 
 Curses::Screen::Screen(Arduino_GFX *d, UIDimensions dims, UIDecorations decor) 
-  : display(d), dims(dims), decor(decor) {
+  : display(d), dims(dims), decor(decor) {}
+
+void Curses::Screen::Setup() {
   // This should always return the first available component
   this->mainWindowID = WindowPool::Allocate();
   if (this->mainWindowID != 0) {
     // Something wrong happened
     Serial2.print("Unexpected ID for main window: ");
     Serial2.println(this->mainWindowID);
+    for (;;) {
+      delay(1000);
+      Serial2.println("Program interrupted due to setup failure");
+    }
   }
-};
+}

src/UIScreen.h

@@ -16,6 +16,7 @@ public:
 
   int16_t mainWindowID;
   Screen(Arduino_GFX *d, UIDimensions dims, UIDecorations decor);
+  void Setup();
 };
 }; // namespace Curses