fix(typos): correct spelling mistakes

src/widget.zig

@@ -72,7 +72,7 @@ pub fn Widget(comptime Event: type) type {
             };
         }
 
-        // TODO: import and export of `Widget` implementations (with corresponding intialization using `Event`)
+        // TODO: import and export of `Widget` implementations (with corresponding initialization using `Event`)
         pub const RawText = @import("widget/RawText.zig").Widget(Event);
     };
 }