add(example): input with simple text field

build.zig

@@ -5,6 +5,7 @@ pub fn build(b: *std.Build) void {
     const optimize = b.standardOptimizeOption(.{});
 
     const Examples = enum {
+        Input,
         Layout,
         Scrollable,
     };
@@ -28,14 +29,14 @@ pub fn build(b: *std.Build) void {
     });
     lib.addImport("code_point", zg.module("code_point"));
 
-    // Examples.Scrollable
-    const scrollable = b.addExecutable(.{
-        .name = "scrollable",
-        .root_source_file = b.path("examples/scrollable.zig"),
+    // Examples.Input
+    const input = b.addExecutable(.{
+        .name = "input",
+        .root_source_file = b.path("examples/input.zig"),
         .target = target,
         .optimize = optimize,
     });
-    scrollable.root_module.addImport("zterm", lib);
+    input.root_module.addImport("zterm", lib);
 
     // Examples.Layout
     const layout = b.addExecutable(.{
@@ -46,8 +47,18 @@ pub fn build(b: *std.Build) void {
     });
     layout.root_module.addImport("zterm", lib);
 
+    // Examples.Scrollable
+    const scrollable = b.addExecutable(.{
+        .name = "scrollable",
+        .root_source_file = b.path("examples/scrollable.zig"),
+        .target = target,
+        .optimize = optimize,
+    });
+    scrollable.root_module.addImport("zterm", lib);
+
     // mapping of user selected example to compile step
     const exe = switch (example) {
+        .Input => input,
         .Layout => layout,
         .Scrollable => scrollable,
     };