New release: WebC v0.10.0

🔁 `webc:for` Loops
🤔 `webc:else` and `webc:elseif`
🙈 `<!--- server only comments --->`
🐞 Obligatory bug fixes and improvements

Read more: https://github.com/11ty/webc/releases/tag/v0.10.0

Eleventy WebC: https://github.com/11ty/eleventy-plugin-webc/releases/tag/v0.10.0