chore: Update Zig examples for latest Zig 0.12.0-dev.2809+f3bd17772

The dependency `zig-router` doesn't yet support the latest Zig. Once that library is updated, we can uncomment this example.

`std.fs.Dir.openFileWasi` has been removed, so we can just use `std.fs.Dir.openFile`.

examples/zig-examples/build.zig

@@ -45,11 +45,11 @@ const examples = &[_]Example{
         .root_source_file = .{ .path = "src/params.zig" },
         .path = "params/[id]",
     },
-    .{
-        .name = "router",
-        .root_source_file = .{ .path = "src/router.zig" },
-        .path = "router/[...path]",
-    },
+    //.{
+    //    .name = "router",
+    //    .root_source_file = .{ .path = "src/router.zig" },
+    //    .path = "router/[...path]",
+    //},
 };
 
 const Example = struct {
@@ -64,7 +64,7 @@ pub fn build(b: *std.Build) !void {
     const optimize = b.standardOptimizeOption(.{});
 
     const wws_dep = b.dependency("wws", .{});
-    const zig_router_dep = b.dependency("zig-router", .{});
+    //const zig_router_dep = b.dependency("zig-router", .{});
 
     const wf = b.addWriteFiles();
 
@@ -79,7 +79,7 @@ pub fn build(b: *std.Build) !void {
             .features = e.features orelse .{},
         });
 
-        worker.exe.root_module.addImport("zig-router", zig_router_dep.module("zig-router"));
+        //worker.exe.root_module.addImport("zig-router", zig_router_dep.module("zig-router"));
 
         try worker.addToWriteFiles(b, wf);
     }

examples/zig-examples/build.zig.zon

@@ -41,10 +41,10 @@
         .wws = .{
             .path = "../../kits/zig/wws",
         },
-        .@"zig-router" = .{
-            .url = "https://github.com/Cloudef/zig-router/archive/6ff2b5b5885082a26514f1604e5cbdb763f8c445.tar.gz",
-            .hash = "122085db606152dbae69a63a83a61005b063199d7551d600b979140dbacc9a4778d9",
-        },
+        //.@"zig-router" = .{
+        //    .url = "https://github.com/Cloudef/zig-router/archive/dc438755c5a6d5fec2efb9e413e8c03a3f637585.tar.gz",
+        //    .hash = "1220a53ebca3e6d9958341c83767ef9763f947ef68e60362764d12a972227a1339bc",
+        //},
     },
 
     // Specifies the set of files and directories that are included in this package.

examples/zig-examples/src/mount.zig

@@ -2,7 +2,7 @@ const std = @import("std");
 const wws = @import("wws");
 
 fn handle(arena: std.mem.Allocator) !wws.Response {
-    const file = try std.fs.Dir.openFileWasi(std.fs.cwd(), "zig.svg", .{
+    const file = try std.fs.Dir.openFile(std.fs.cwd(), "zig.svg", .{
         .mode = std.fs.File.OpenMode.read_only,
         .lock = std.fs.File.Lock.none,
     });