docs: elm: fill gaps in box, grid, icon, inwin and label eo file documentation

src/lib/elementary/elm_box.eo

@@ -3,6 +3,7 @@ import ecore_types;
 
 class Elm.Box (Elm.Widget)
 {
+   [[Elementary box class]]
    legacy_prefix: elm_box;
    eo_prefix: elm_obj_box;
    event_prefix: elm_box;
@@ -139,7 +140,7 @@ class Elm.Box (Elm.Widget)
               You must free this list with eina_list_free() once you are done with it.
 
             ]]
-            return: free(own(list<Efl.Canvas.Object>), eina_list_free) @warn_unused;
+            return: free(own(list<Efl.Canvas.Object>), eina_list_free) @warn_unused; [[List of children]]
          }
       }
       pack_end {
@@ -296,8 +297,7 @@ class Elm.Box (Elm.Widget)
       Elm.Widget.sub_object_del;
    }
    events {
-      child,added;
-      child,removed;
+      child,added; [[Called when child was added]]
+      child,removed; [[Called when child was removed]]
    }
-
 }

src/lib/elementary/elm_grid.eo

@@ -1,5 +1,6 @@
 class Elm.Grid (Elm.Widget)
 {
+   [[Elementary grid class]]
    legacy_prefix: elm_grid;
    eo_prefix: elm_obj_grid;
    data: null;
@@ -25,13 +26,13 @@ class Elm.Grid (Elm.Widget)
               It's possible to remove objects from the grid when walking this
               list, but these removals won't be reflected on it.
             ]]
-            return: free(own(list<Efl.Canvas.Object>), eina_list_free) @warn_unused;
+            return: free(own(list<Efl.Canvas.Object>), eina_list_free) @warn_unused; [[List of children]]
          }
       }
       clear {
          [[Faster way to remove all child objects from a grid object.]]
          params {
-            @in clear: bool; [[If true, it will delete just removed children]]
+            @in clear: bool; [[If $true, it will delete just removed children]]
          }
       }
       unpack {
@@ -62,5 +63,4 @@ class Elm.Grid (Elm.Widget)
       Elm.Widget.focus_direction_manager_is;
       Elm.Widget.theme_apply;
    }
-
 }

src/lib/elementary/elm_icon.eo

@@ -27,5 +27,4 @@ class Elm.Icon (Efl.Ui.Image)
       thumb,done; [[Called when thumb nailing is successfully done]]
       thumb,error; [[Called when thumb nailing failed]]
    }
-
 }

src/lib/elementary/elm_inwin.eo

@@ -1,5 +1,6 @@
 class Elm.Inwin (Elm.Layout)
 {
+   [[Elementary inwin class]]
    legacy_prefix: elm_inwin;
    eo_prefix: elm_obj_win_inwin;
    data: null;

src/lib/elementary/elm_label.eo

@@ -10,6 +10,7 @@ enum Elm.Label.Slide_Mode
 
 class Elm.Label (Elm.Layout)
 {
+   [[Elementary label class]]
    legacy_prefix: elm_label;
    eo_prefix: elm_obj_label;
    event_prefix: elm_label;
@@ -132,7 +133,6 @@ class Elm.Label (Elm.Layout)
       Elm.Layout.sizing_eval;
    }
    events {
-      slide,end;
+      slide,end; [[Called when slide stopped]]
    }
-
 }