tools: add basic http server implementation

tools/http-server.zig

@@ -0,0 +1,28 @@
+const std = @import("std");
+const http = @import("apple_pie");
+const file_server = http.FileServer;
+
+pub const io_mode = .evented;
+
+pub fn main() !u8 {
+    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
+    defer _ = gpa.deinit();
+    const allocator = gpa.allocator();
+
+    const args = try std.process.argsAlloc(allocator);
+    defer std.process.argsFree(allocator, args);
+
+    std.debug.print("Served at http://127.0.0.1:8000/{s}.html\n", .{args[1]});
+
+    try file_server.init(allocator, .{ .dir_path = "." });
+    defer file_server.deinit();
+
+    try http.listenAndServe(
+        allocator,
+        try std.net.Address.parseIp("127.0.0.1", 8000),
+        {},
+        file_server.serve,
+    );
+
+    return 0;
+}