Fix link to commit hook script in contribute.md
Fix link to commit hook script in contribute.md

License: MIT
Signed-off-by: Timothy Hobbs <0c14cefec9476562948d928ef34b7e5bc72c4a13@hobbs.cz>

JustinDrake/go-ipfs,WilliButz/go-ipfs,Luzifer/go-ipfs,ianopolous/go-ipfs,Luzifer/go-ipfs,chriscool/go-ipfs,Quantomicus/go-ipfs,WilliButz/go-ipfs,Luzifer/go-ipfs,MichaelMure/go-ipfs,OpenBazaar/go-ipfs,OpenBazaar/go-ipfs,ianopolous/go-ipfs,chriscool/go-ipfs,chriscool/go-ipfs,JustinDrake/go-ipfs,kyledrake/go-ipfs,OpenBazaar/go-ipfs,Quantomicus/go-ipfs,kyledrake/go-ipfs,WilliButz/go-ipfs,kyledrake/go-ipfs,Quantomicus/go-ipfs,MichaelMure/go-ipfs,MichaelMure/go-ipfs,JustinDrake/go-ipfs,ianopolous/go-ipfs