add: README, LICENSE and initial project structure

build.zig

@@ -0,0 +1,23 @@
+const std = @import("std");
+
+pub fn build(b: *std.Build) void {
+    const target = b.standardTargetOptions(.{});
+    const optimize = b.standardOptimizeOption(.{});
+
+    const lib_mod = b.createModule(.{
+        .root_source_file = b.path("src/root.zig"),
+        .target = target,
+        .optimize = optimize,
+    });
+
+    const lib = b.addLibrary(.{
+        .linkage = .static,
+        .name = "parser",
+        .root_module = lib_mod,
+    });
+    b.installArtifact(lib);
+
+    const run_lib_unit_tests = b.addRunArtifact(b.addTest(.{ .root_module = lib_mod }));
+    const test_step = b.step("test", "Run unit tests");
+    test_step.dependOn(&run_lib_unit_tests.step);
+}