Added a feature to clean compleeted tasks either Never, 24 hours, 7 days or 30 days

settings.ts

@@ -13,6 +13,20 @@ export class TaskWeaverSettingTab extends PluginSettingTab {
 		const { containerEl } = this;
 		containerEl.empty();
 
+		new Setting(containerEl)
+			.setName("Clear completed tasks")
+			.setDesc("Automatically remove completed tasks after a specified period")
+			.addDropdown(dropdown => dropdown
+				.addOption("never", "Never")
+				.addOption("1day", "After 24 hours")
+				.addOption("7days", "After 7 days")
+				.addOption("30days", "After 30 days")
+				.setValue(this.plugin.settings.completedTaskRetention)
+				.onChange(async (value) => {
+					this.plugin.settings.completedTaskRetention = value as any;
+					await this.plugin.saveSettings();
+				}));
+
 		new Setting(containerEl)
 			.setName("Enable daily note logging")
 			.setDesc("Log completed tasks to your daily note")