continued adding support for other text editors, added a home screen

settings.py

@@ -1,5 +1,5 @@
 from textual.screen import ModalScreen
-from textual.widgets import Label, Select, TabbedContent, TabPane, Switch, Input, Rule, Static
+from textual.widgets import Label, Select, TextArea, TabbedContent, TabPane, Switch, Input, Rule, Static
 from textual.containers import Vertical, HorizontalGroup, VerticalGroup, VerticalScroll
 from textual.binding import Binding
 
@@ -70,11 +70,15 @@ class SettingsScreen(ModalScreen):
         self.dismiss()
 
     def on_switch_changed(self, event: Switch.Changed):
+        text_area = self.app.current_editor.query_one_optional(TextArea)
+        
         if event.switch.id == "word-wrap":
-            self.app.query_one("#code-editor").soft_wrap = event.value
+            if text_area:
+                text_area.soft_wrap = event.value
             self.app.config_handler.set("editor", "word_wrap", str(int(event.value)))
         elif event.switch.id == "line-numbers":
-            self.app.query_one("#code-editor").show_line_numbers = event.value
+            if text_area:
+                text_area.show_line_numbers = event.value
             self.app.config_handler.set("editor", "line_numbers", str(int(event.value)))
         elif event.switch.id == "plugins-enabled":
             self.app.config_handler.set("plugins", "enabled", str(int(event.value)))