Update configuration handling: refine path resolution and allocator usage in main.zig

src/config/config.zig

@@ -19,7 +19,7 @@ test "parse zocket config"
 
     const allocator = std.testing.allocator;
 
-    const parsed = try parse(io, allocator, "zocket/config.toml");
+    const parsed = try parse(io, allocator, "config/config.toml");
     defer parsed.deinit();
 
     const cfg = parsed.value;