examples/proxy: use zon

examples/proxy/build.zig

@@ -19,9 +19,7 @@ pub fn build(b: *std.Build) void {
         .optimize = optimize,
     });
 
-    exe.root_module.addAnonymousImport("tls13-server", .{
-        .root_source_file = b.path("../../src/server.zig"),
-    });
+    exe.root_module.addImport("tls13-server", b.dependency("tls13-zig", .{}).module("tls13-server"));
     // This declares intent for the executable to be installed into the
     // standard location when the user invokes the "install" step (the default
     // step when running `zig build`).

examples/proxy/build.zig.zon

@@ -0,0 +1,39 @@
+.{
+    // This is the default name used by packages depending on this one. For
+    // example, when a user runs `zig fetch --save <url>`, this field is used
+    // as the key in the `dependencies` table. Although the user can choose a
+    // different name, most users will stick with this provided value.
+    //
+    // It is redundant to include "zig" in this name because it is already
+    // within the Zig package namespace.
+    .name = "proxy",
+
+    // This is a [Semantic Version](https://semver.org/).
+    // In a future version of Zig it will be used for package deduplication.
+    .version = "0.0.0",
+
+    // This field is optional.
+    // This is currently advisory only; Zig does not yet do anything
+    // with this value.
+    //.minimum_zig_version = "0.11.0",
+
+    // This field is optional.
+    // Each dependency must either provide a `url` and `hash`, or a `path`.
+    // `zig build --fetch` can be used to fetch all dependencies of a package, recursively.
+    // Once all dependencies are fetched, `zig build` no longer requires
+    // internet connectivity.
+    .dependencies = .{
+        .@"tls13-zig" = .{
+            .url = "https://github.com/shiguredo/tls13-zig/archive/refs/heads/develop.zip",
+            .hash = "12205605c99759d35ef65bbe7ea8d2f17aed2e7e63aa354fdb96d94eea7761af5ec9",
+        },
+    },
+    .paths = .{
+        "build.zig",
+        "build.zig.zon",
+        "src",
+        // For example...
+        //"LICENSE",
+        //"README.md",
+    },
+}