feat: update donation docs with opencollective info (#326)

Author: RoyalOughtness

content/DONATE.md

@@ -6,23 +6,33 @@ permalink: /donate
 
 # Donate
 
-All donations are appreciated and help support our mission to make desktop Linux secure! Donations are used to cover infrastructure, builder, hosting, test hardware, and domain costs. Sponsors get a role on the [Discord](https://discord.gg/qMTv5cKfbF) if desired. If you've donated but haven't yet been tagged with the role, please reach out to RoyalOughtness.
+All donations are appreciated and help support our mission to make desktop Linux secure! Donation funds will be used to:
+
+- Cover infrastructure/builder/hosting/domain costs
+- Ensure project continuity in the event of a "rainy day" (e.g. GitHub changing their free compute policy)
+
+Sponsors get a role on the [Discord](https://discord.gg/qMTv5cKfbF) if desired. If you've donated but haven't yet been tagged with the role, please reach out to on Discord.
 
 There are multiple options available for donation:
 
-## [GitHub Sponsors](#github)
+## [Open Collective](#open-collective)
+{: #open-collective}
+
+[Open Collective](https://opencollective.com/secureblue)
+
+## [GitHub Sponsors (Integrated with Open Collective)](#github)
 {: #github}
 
-[GitHub Sponsors](https://github.com/sponsors/RoyalOughtness)
+[GitHub Sponsors](https://github.com/sponsors/secureblue)
 
-## [Monero](#monero)
+## [Monero (Not integrated with Open Collective)](#monero)
 {: #monero}
 
 <img alt="Monero donation QR code" src="/assets/monero.png" width=200 />
 
 `43fry9taGiwhAtNYEZNfssdzJ8Ra12ewAbQoVsvFzoLS6qMSgsE2FvE7xY52rAnKjPL5r2N88KYvqXpthUfSwa23K1BBMD9`
 
-## [Other Crypto](#crypto)
+## [Other Crypto (Not integrated with Open Collective)](#crypto)
 {: #crypto}
 
 [Coinbase](https://commerce.coinbase.com/checkout/ed12a6f0-6f14-458e-88a7-854f91e42b19)