Update the Zig badge (#11)

Author: habedi

README.md

@@ -8,7 +8,7 @@
 
 [![Tests](https://img.shields.io/github/actions/workflow/status/CogitatorTech/ordered/tests.yml?label=tests&style=flat&labelColor=282c34&logo=github)](https://github.com/CogitatorTech/ordered/actions/workflows/tests.yml)
 [![Benchmarks](https://img.shields.io/github/actions/workflow/status/CogitatorTech/ordered/benches.yml?label=benchmarks&style=flat&labelColor=282c34&logo=github)](https://github.com/CogitatorTech/ordered/actions/workflows/benches.yml)
-[![Zig Version](https://img.shields.io/badge/Zig-0.16.0-orange?logo=zig&labelColor=282c34)](https://ziglang.org/download/)
+[![Zig](https://img.shields.io/badge/zig-0.16.0-F7A41D?style=flat&labelColor=282c34&logo=zig)](https://ziglang.org/download/)
 [![Release](https://img.shields.io/github/release/CogitatorTech/ordered.svg?label=release&style=flat&labelColor=282c34&logo=github)](https://github.com/CogitatorTech/ordered/releases/latest)
 [![Docs](https://img.shields.io/badge/docs-read-blue?style=flat&labelColor=282c34&logo=read-the-docs)](https://CogitatorTech.github.io/ordered/)
 [![Examples](https://img.shields.io/badge/examples-view-green?style=flat&labelColor=282c34&logo=zig)](https://github.com/CogitatorTech/ordered/tree/main/examples)
@@ -79,7 +79,9 @@ zig fetch --save=ordered "https://github.com/CogitatorTech/ordered/archive/<bran
 Replace `<branch_or_tag>` with the desired branch or release tag, like `main` (for the development version) or `v0.3.0`.
 This command will download Ordered and add it to Zig's global cache and update your project's `build.zig.zon` file.
 
-Zig version supported by each tagged release:
+##### Zig Version Support
+
+Zig version supported by the main releases of Ordered:
 
 | Zig      | Ordered Tags |
 |----------|--------------|

build.zig.zon

@@ -1,6 +1,6 @@
 .{
     .name = .ordered,
-    .version = "0.2.0",
+    .version = "0.2.1",
     .fingerprint = 0xc3121f99b0352e1b, // Changing this has security and trust implications.
     .minimum_zig_version = "0.16.0",
     .paths = .{