add(examples/errors): error notifaction handling

build.zig

@@ -17,6 +17,8 @@ pub fn build(b: *std.Build) void {
         // styles:
         text,
         palette,
+        // error handling
+        errors,
     };
 
     const example = b.option(Examples, "example", "Example to build and/or run. (default: vertical)") orelse .vertical;
@@ -115,6 +117,15 @@ pub fn build(b: *std.Build) void {
     });
     text.root_module.addImport("zterm", lib);
 
+    // error handling:
+    const errors = b.addExecutable(.{
+        .name = "errors",
+        .root_source_file = b.path("examples/errors.zig"),
+        .target = target,
+        .optimize = optimize,
+    });
+    errors.root_module.addImport("zterm", lib);
+
     // mapping of user selected example to compile step
     const exe = switch (example) {
         // elements:
@@ -129,6 +140,8 @@ pub fn build(b: *std.Build) void {
         // styles:
         .text => text,
         .palette => palette,
+        // error handling:
+        .errors => errors,
     };
     b.installArtifact(exe);