fix most typos, add crate-ci/typos to CI (#2653)

* fix most typos, add crate-ci/typos to CI

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Co-authored-by: Jonathan Kelley <jkelleyrtp@gmail.com>

packages/cli/src/serve/server.rs

@@ -471,7 +471,7 @@ fn no_cache(
     let mut response = response.into_response();
 
     // If there's a 404 and we're supposed to index on 404, upgrade that failed request to the index.html
-    // We migth want to isnert a header here saying we *did* that but oh well
+    // We might want to isnert a header here saying we *did* that but oh well
     if response.status() == StatusCode::NOT_FOUND && index_on_404 {
         let body = Body::from(std::fs::read_to_string(out_dir.join("index.html")).unwrap());