Add pinning compliance links

[SgtPooki]

This PR focuses on resolving the short term solution described in ipfs-shipyard/pinning-service-compliance#30

• Add link to "set pinning" modal.
  

• Add link to "add pinning provider" modal
  

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[BigLep]

Cool. I'll leave to others to review the code.

[SgtPooki]

@hacdias one of the strings wasn't in transifex, but I've fixed that. will merge tomorrow if you or @lidel don't have anything blocking by then

[lidel]

@SgtPooki fysa Transifex will fetch new source (English) strings within 24h after they land in main branch.
No need to manually add anything :)