Fix indentation.

Author: tr1ckydev

DOCUMENTATION.md

@@ -24,9 +24,9 @@ const std = @import("std");
 const Chameleon = @import("chameleon");
 
 pub fn main() !void {
-    var c = Chameleon.initRuntime(.{ .allocator = std.heap.your_allocator });
-    defer c.deinit();
-	try c.green().bold().printOut("Hello, world!", .{});
+  var c = Chameleon.initRuntime(.{ .allocator = std.heap.your_allocator });
+  defer c.deinit();
+  try c.green().bold().printOut("Hello, world!", .{});
 }
 ```