French translation: initial translation of downloads.md (except the footnote)
French translation: initial translation of downloads.md (except the footnote)

ituxbag/rust-www,AndrewBrinker/rust-www,starsep/rust-www,starsep/rust-www,starsep/rust-www,AndrewBrinker/rust-www,ituxbag/rust-www,ituxbag/rust-www,AndrewBrinker/rust-www,AndrewBrinker/rust-www,starsep/rust-www,ituxbag/rust-www,starsep/rust-www,AndrewBrinker/rust-www,ituxbag/rust-www,starsep/rust-www,ituxbag/rust-www,AndrewBrinker/rust-www