feat(waybar): update clock module

* Add a clock icon
* Change alt format to AM/PM
* Change tooltip to mini calendar, with scrollable months

.config/waybar/config

@@ -149,9 +149,23 @@
 
     "clock": {
         "interval": 10,
-        "format-alt": " {:%e %b %Y}", // Icon: calendar-alt
-        "format": "{:%H:%M}",
-        "tooltip-format": "{:%e %B %Y}"
+        "format": "󰅐 {:%H:%M}",
+        "format-alt": "󰅐 {:%OI:%M %p}",
+        "tooltip-format": " {:%A %m/%d}\n\n<tt><small>{calendar}</small></tt>",
+        "calendar": {
+            "on-scroll": 1,
+            "format": {
+                "months":     "<span color='#ffead3'><b>{}</b></span>",
+                "days":       "<span color='#ecc6d9'><b>{}</b></span>",
+                "weeks":      "<span color='#99ffdd'><b>W{}</b></span>",
+                "weekdays":   "<span color='#ffcc66'><b>{}</b></span>",
+                "today":      "<span color='#ff6699'><b><u>{}</u></b></span>"
+            },
+        },
+        "actions": {
+            "on-scroll-up": "shift_up",
+            "on-scroll-down": "shift_down"
+        },
     },
 
     "tray": {