3.4.0

What's Changed

• Clarify WordOrder re-export in package documentation by @balloob in #33
• cli_helper: query-helper building blocks for CLIs by @balloob in #35
• Add Astro Starlight documentation website by @balloob in #34
• cli_helper: auto-detect the installed backend for connect_from_args by @balloob in #36
• docs: query through an ESPHome serial proxy via esphome:// URLs by @balloob in #37
• README: trim to one component example, point to the website by @balloob in #38
• docs: add README example to introduction page by @balloob in #39
• Add per-unit message spacing by @balloob in #40

Full Changelog: 3.3.0...3.4.0