Introduce variables for dynamic content

- Date
- Time
- No CSS yet
- No `Listen` variables yet

ewwii.nbcl

@@ -1,2 +1,3 @@
 import "nbcl/config/config.nbcl" as config
+import "nbcl/vars/vars.nbcl" as vars 
 import "nbcl/panel/panel_window.nbcl" as ewwii_panel

nbcl/panel/panel_component.nbcl

@@ -7,8 +7,16 @@ component EwwiiPanel () {
 	width = config.panel_width
 
     Label {
-      widget_name = "panel_comp_sample_text"
+		widget_name = "clockwidg"
-      text = "Plain Panel"
+		class = "clockwidg"
+		text = global("time_hhmm")
+		halign = "end"
+    }
+    Label {
+		widget_name = "datewidg"
+		class = "datewidg"
+		text = global("date_ddM")
+		halign = "end"
     }
   }
 }

nbcl/vars/vars.nbcl

@@ -0,0 +1,11 @@
+Poll "time_hhmm" {
+  initial = "00:00"
+  interval = "450ms"
+  cmd = "date +%H:%M"
+}
+
+Poll "date_ddM" {
+  initial = "01 Jan"
+  interval = "450ms"
+  cmd = "date +%m:%d"
+}