Move dev widgets to the dedicated folder

dev/aiowidgetslist-widget.lua

@@ -0,0 +1,23 @@
+-- name = "AΙΟ widgets list"
+-- type = "widget"
+-- description = "Shows widgets returned by aio:available_widgets() function"
+--foldable = "true"
+-- author = "Theodor Galanis"
+-- version = "1"
+
+function on_resume()
+    actions = aio:available_widgets()
+    local labels = ""
+    
+      labels = map(actions, function(it) return it.label end)
+      names = map(actions, function(it) return it.name end)
+    ui:show_lines(names, labels)
+   end
+   
+   function map(tbl, f)
+    local ret = {}
+    for k,v in pairs(tbl) do
+        ret[k] = f(v)
+    end
+    return ret
+    end