feat: massive front-end overhaul and initial github release

src/mainview/types.d.ts

@@ -0,0 +1,28 @@
+declare const __HOST__: string;
+
+global
+{
+  declare module "react" {
+    interface HTMLAttributes<T> extends AriaAttributes, DOMAttributes<T>
+    {
+      // extends React's HTMLAttributes
+      "save-child-focus"?: SaveFocusType;
+      "save-scroll"?: boolean;
+    }
+  }
+}
+
+interface FocusParams
+{
+  onFocus?: () => void;
+}
+
+interface InteractParams
+{
+  onAction?: () => void;
+}
+
+interface FilterOption extends FocusParams, InteractParams
+{
+  label: string;
+}