docs: elm_dayselector: fill gaps in elm_dayslector eo file documentation

src/lib/elementary/elm_dayselector.eo

@@ -19,6 +19,7 @@ enum Elm.Dayselector.Day
 
 class Elm.Dayselector (Elm.Layout)
 {
+   [[Elementary dayselector class]]
    legacy_prefix: elm_dayselector;
    eo_prefix: elm_obj_dayselector;
    event_prefix: elm_dayselector;
@@ -132,7 +133,7 @@ class Elm.Dayselector (Elm.Layout)
          ]]
          params {
             @in day: Elm.Dayselector.Day; [[Dayselector_Day that the user want to set state.]]
-            @in selected: bool; [[state of the day. $true is selected.]]
+            @in selected: bool; [[State of the day. $true is selected.]]
          }
       }
       day_selected_get @const {
@@ -141,7 +142,7 @@ class Elm.Dayselector (Elm.Layout)
            See also @Elm.Dayselector.Day,
            @.day_selected_set.
          ]]
-         return: bool;
+         return: bool; [[$true on success, $false on failure]]
          params {
             @in day: Elm.Dayselector.Day; [[Dayselector_Day that the user want to know state.]]
          }
@@ -159,7 +160,6 @@ class Elm.Dayselector (Elm.Layout)
       Efl.Part.part;
    }
    events {
-      dayselector,changed;
+      dayselector,changed; [[Called when dayselector widget changed]]
    }
-
 }

src/lib/elementary/elm_dayselector_internal_part.eo

@@ -1,5 +1,6 @@
 class Elm.Dayselector.Internal.Part (Elm.Layout.Internal.Part)
 {
+   [[Elementary dayselector internal part class]]
    data: null;
    implements {
       Efl.Container.content.set;

src/lib/elementary/elm_dayselector_item.eo

@@ -1,5 +1,6 @@
 class Elm.Dayselector.Item(Elm.Widget.Item)
 {
+   [[Elementary dayselector item class]]
    eo_prefix: elm_dayselector_item;
    implements {
         Efl.Object.constructor;