Dark-ify datepicker (fixes #43)

PVEDiscordDark/sass/PVEDiscordDark.sass

@@ -24,6 +24,7 @@
 @import './x/_misc.sass';
 @import './x/_splitter.sass';
 @import './x/_boundlist.sass';
+@import './x/_datepicker.sass';
 
 @import './proxmox/_pveDc.sass';
 @import './proxmox/_proxmoxRRDChart.sass';

PVEDiscordDark/sass/x/_datepicker.sass

@@ -0,0 +1,39 @@
+.x-datepicker-column-header-inner
+    background-color: $dark
+    color: white
+
+.x-datepicker
+ 	border: none  
+
+.x-datepicker-date
+    background-color: $dark
+    color: white
+    border: none
+
+.x-datepicker-cell
+	border: 0.5px solid $light
+
+.x-datepicker-header
+    background-color: $darker  
+
+.x-datepicker-footer
+    background-color: $dark
+
+.x-monthpicker, .x-monthpicker-buttons
+    color: white
+    border: none
+    background-color: $dark
+
+.x-monthpicker-item-inner
+    color: white
+    border: none
+    opacity: 0.9
+
+.x-monthpicker-months
+    border-color: $darker
+
+.x-monthpicker-selected, .x-datepicker-selected div.x-datepicker-date
+    border: none !important
+    color: white !important
+    opacity: 1
+    background-color: $light !important