Add donation links in more places

[tuxayo]

Because these projects rock and money shouldn't be the bottleneck. We need more and more professional libre/open source stuff! :D

• Feross's website
  • [ ] Liberapay
  • [X] Cryptocurrencies
  • [X] Patreon
  • [X] Paypal
• WebTorrent Desktop's readme
  • [ ] Liberapay
  • [ ] Cryptocurrencies
  • [ ] Patreon
  • [ ] Paypal
• WebTorrent's readme
  • [ ] Liberapay
  • [ ] Cryptocurrencies
  • [ ] Patreon
  • [ ] Paypal
• WebTorrent Desktop's interface
  • [ ] Liberapay
  • [ ] Cryptocurrencies
  • [ ] Patreon
  • [ ] Paypal
• Which other useful places?

[stale[bot]]

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