`Line::from` for `(Point, Point)`, `(Point, Vec2)` (#376) #616

Job	Run time
cargo clippy (wasm32)	43s
cargo check (msrv) (windows-latest)	3m 21s
cargo clippy (windows-latest)	2m 19s
cargo check (msrv) (macos-latest)	33s
cargo check (msrv) (wasm32)	21s
cargo clippy (macos-latest)	37s
cargo doc	20s
cargo clippy (ubuntu-latest)	46s
cargo check (msrv) (ubuntu-latest)	29s
cargo fmt	23s
cargo test (windows-latest)	58s
cargo test (wasm32)	19s
cargo test (macos-latest)	21s
typos	4s
cargo test (ubuntu-latest)	20s
	11m 54s

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