add build.zig.zon; update build.zig to zig 0.13

build.zig

@@ -1,25 +1,23 @@
 const std = @import("std");
 
-pub fn build(b: *std.build.Builder) void {
-    // Standard release options allow the person running `zig build` to select
-    // between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall.
+pub fn build(b: *std.Build) void {
+    const target = b.standardTargetOptions(.{});
     const optimize = b.standardOptimizeOption(.{});
 
-    const target = b.standardTargetOptions(.{});
     _ = b.addModule("jwt", .{
-        .source_file = .{ .path = "jwt.zig" },
+        .root_source_file = b.path("jwt.zig"),
     });
 
     const lib = b.addStaticLibrary(.{
         .name = "zig-jwt",
-        .root_source_file = .{ .path = "jwt.zig" },
+        .root_source_file = b.path("jwt.zig"),
         .optimize = optimize,
         .target = target,
     });
     b.installArtifact(lib);
 
     const main_tests = b.addTest(.{
-        .root_source_file = .{ .path = "jwt.zig" },
+        .root_source_file = b.path("jwt.zig"),
     });
     const run_main_tests = b.addRunArtifact(main_tests);
 

build.zig.zon

@@ -0,0 +1,9 @@
+.{
+    .name = "zig-jwt",
+    .version = "0.0.1",
+    .paths = .{
+        "build.zig",
+        "build.zig.zon",
+        "jwt.zig",
+    },
+}