added a line numbers option

main.py

@@ -66,7 +66,7 @@ class Berry(App):
 				first_tab,
 				id="file-tabs"
 			)
-			yield TextArea.code_editor(placeholder="This file is empty.", theme="css", id="code-editor", disabled=True, soft_wrap=True)
+			yield TextArea.code_editor(placeholder="This file is empty.", theme="css", id="code-editor", disabled=True, soft_wrap=True, show_line_numbers=bool(int(self.config_handler.get("editor", "line_numbers"))))
 
 			#if os.name == "nt":
 			#with Vertical(id="console-container"):

settings.py

@@ -73,6 +73,9 @@ class SettingsScreen(ModalScreen):
         if event.switch.id == "word-wrap":
             self.app.query_one("#code-editor").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
+            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)))
             self.notify("Restart for changes to apply.", title="Restart Required", severity="warning")
@@ -122,6 +125,12 @@ class SettingsScreen(ModalScreen):
                                 yield Label("Word Wrap", classes="setting-name")
                                 yield Label("Enable word wrap in the code editor.", classes="setting-desc")
                             yield Switch(value=bool(int(self.app.config_handler.get("editor", "word_wrap"))), id="word-wrap")
+                        
+                        with HorizontalGroup(classes="setting"):
+                            with VerticalGroup():
+                                yield Label("Line Numbers", classes="setting-name")
+                                yield Label("Show line numbers in the editor.", classes="setting-desc")
+                            yield Switch(value=bool(int(self.app.config_handler.get("editor", "line_numbers"))), id="line-numbers")
                 with TabPane("Plugins"):
                     with VerticalScroll():
                     

settings_store.py

@@ -55,6 +55,12 @@ class ConfigHandler:
 		return config_dir
 
 	def get(self, section: str, option: str):
+		if not self.config.has_section(section):
+			self.config.add_section(section)
+		if not self.config.has_option(section, option):
+			self.set(section, option, "0")
+			return "0"
+
 		return self.config.get(section, option, fallback=None)
 	
 	def set(self, section: str, option: str, new_value: str):
@@ -86,7 +92,8 @@ class ConfigHandler:
 			"version": "1"
 		}
 		self.config["editor"] = {
-			"word_wrap": "0"
+			"word_wrap": "0",
+			"line_numbers": "1"
 		}
 		self.config["plugins"] = {
 			"enabled": "1",