Top rust-clippy issues

New lint: Pass references when possible for large data types?

A-performance A-suggestion L-lint good-first-issue hacktoberfest

New lint: map to Option followed by flatten

A-complexity A-suggestion L-lint good-first-issue

Suggest binding to a tuple if possible in the `useless_let_if_seq` lint

A-suggestion L-enhancement

False positive for boxed local with `wasm_bindgen`

L-bug L-false-positive good-first-issue hacktoberfest

Adding feature to "accept" a clippy suggestion

Float comparison lint doesn't seem to trigger on float array comparison

L-enhancement good-first-issue

float_cmp should not apply to results of signum()

A-correctness L-enhancement good-first-issue

write_with_newline should not warn when "\n" is preceded by "\r"

L-bug good-first-issue

Suggest `resize` rather when pushing same item to vec

A-complexity L-lint good-first-issue

Provide an easy way for contributors to run cargo fmt like it's executed on CI

L-enhancement