rem(element): template Element moved into wiki documentation

src/element.zig

@@ -46,39 +46,6 @@ pub fn Element(Event: type) type {
     };
 }
 
-/// This is an empty template implementation for an Element type which `zterm` may provide.
-///
-/// TODO: Should elements need to be composible with each other, such that they may build complexer outputs?
-/// - the goal would rather be to have re-usable parts of handlers and/or content functions which serve similar functionalities.
-/// - composible through empty `Container`'s? -> make sense for the `Scrollable` `Element`
-pub fn Template(Event: type) type {
-    return packed struct {
-        pub fn element(this: *@This()) Element(Event) {
-            return .{
-                .ptr = this,
-                .vtable = &.{
-                    .handle = handle,
-                    .content = content,
-                },
-            };
-        }
-
-        fn handle(ctx: *anyopaque, event: Event) !void {
-            const this: *@This() = @ptrCast(@alignCast(ctx));
-            _ = this;
-            switch (event) {
-                else => {},
-            }
-        }
-
-        fn content(ctx: *anyopaque, cells: []Cell, size: Size) !void {
-            const this: *@This() = @ptrCast(@alignCast(ctx));
-            std.debug.assert(cells.len == @as(usize, size.cols) * @as(usize, size.rows));
-            _ = this;
-        }
-    };
-}
-
 pub fn Scrollable(Event: type) type {
     return struct {
         /// `Size` of the actual contents where the anchor and the size is