mod: change interface for rendering of Layouts and Widgets to use a non-const pointer to the renderer instead

src/render.zig

@@ -44,7 +44,11 @@ pub fn Buffered(comptime _: bool) type {
 
 pub fn Direct(comptime _: bool) type {
     return struct {
-        pub fn clear(this: @This(), size: Size) !void {
+        pub fn resize(this: *@This(), size: Size) void {
+            _ = this;
+            _ = size;
+        }
+        pub fn clear(this: *@This(), size: Size) !void {
             _ = this;
             const anchor = size.anchor;
             // NOTE: clear entire screen for the first content (derived from the anchor being at the very left-top)
@@ -53,7 +57,7 @@ pub fn Direct(comptime _: bool) type {
             }
         }
 
-        pub fn render(this: @This(), size: Size, contents: []u8) !void {
+        pub fn render(this: *@This(), size: Size, contents: []u8) !void {
             _ = this;
             try terminal.setCursorPosition(size.anchor);
             var row: u16 = 0;