Implemented strict linting standards and prettier formatting config. (#248)

* Implemented strict linting standards and prettier formatting config.

* More linter fixes and type updates.

* More linter updates and type fixes

* Remove noisy comments

* Linter and type updates

* Linter, formatting and type updates.

* Linter updates

* Type updates

* Type updates

* fixed all linter errors

* Fixed all linting, formatting and type issues.

* Resolve merge conflicts.

modules/menus/calendar/calendar.ts

@@ -1,22 +1,24 @@
-const CalendarWidget = () => {
-  return Widget.Box({
-    class_name: "calendar-menu-item-container calendar",
-    hpack: "fill",
-    vpack: "fill",
-    expand: true,
-    child: Widget.Box({
-      class_name: "calendar-container-box",
-      child: Widget.Calendar({
+import { BoxWidget } from 'lib/types/widget';
+
+const CalendarWidget = (): BoxWidget => {
+    return Widget.Box({
+        class_name: 'calendar-menu-item-container calendar',
+        hpack: 'fill',
+        vpack: 'fill',
         expand: true,
-        hpack: "fill",
-        vpack: "fill",
-        class_name: "calendar-menu-widget",
-        showDayNames: true,
-        showDetails: false,
-        showHeading: true,
-      }),
-    }),
-  });
+        child: Widget.Box({
+            class_name: 'calendar-container-box',
+            child: Widget.Calendar({
+                expand: true,
+                hpack: 'fill',
+                vpack: 'fill',
+                class_name: 'calendar-menu-widget',
+                showDayNames: true,
+                showDetails: false,
+                showHeading: true,
+            }),
+        }),
+    });
 };
 
 export { CalendarWidget };