refactor plugin, split into modules

plugin/src/settings/general-tab.js

@@ -0,0 +1,17 @@
+const { Setting } = require("obsidian");
+
+function display(containerEl) {
+  containerEl.createEl("h2", { text: "Ignis General Settings" });
+
+  new Setting(containerEl)
+    .setName("Example toggle")
+    .setDesc("This is a test toggle to prove the Setting API works.")
+    .addToggle((toggle) => {
+      toggle.setValue(false);
+      toggle.onChange((value) => {
+        console.log("[ignis] Toggle:", value);
+      });
+    });
+}
+
+module.exports = { display };