WIP: migrate Summer of Nix blog posts

src/content/blog/announcements/2021-06-02-applications-closed.md

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+---
+title: Applications are closed
+date: 2021-06-02
+---
+Thanks a lot for your interest in the Summer of Nix program!
+We've done more than a hundred interviews in two months, it's been thrilling
+to see so much excitement over this program.
+
+We are currently in the process of selecting participants and making the teams: stay tuned!

src/content/blog/announcements/2021-07-20-hiring-event.md

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+---
+title: Hiring event on October 27th 2021
+date: 2021-07-20
+---
+Rumor was already out but now we announce it officially: we are organizing a
+big hiring event on October 27th where Summer of Nix participants and
+applicants can meet companies that use it. Participation is free but places are
+limited for organizational reasons to Summer of Nix participants and applicants
+for now. If you like to know more, send us a mail at [email protected].

src/content/blog/announcements/2022-02-23-summer-of-nix-2021-report.md

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+---
+title: Summer of Nix 2021 report is out
+date: 2021-02-23
+---
+Happy to announce that the [Summer of Nix 2021 report is
+out](/assets/report-2021.pdf). This report explains in detail the motivation
+behind Summer of Nix, and how it was organized in 2022. If you have comments or
+questions, don't hesitate to reach out to [email protected].

src/content/blog/announcements/2022-04-04-summer-of-nix-2022.md

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+---
+title: Summer of Nix 2022 Announcement!
+date: 2022-04-04
+---
+Summer of Nix 2022 will happen **from July 18th to September 30th**!
+
+[Applications are open here from now until May 15th!](https://cryptpad.fr/form/#/2/form/view/HyAQLTXDtHy0JNGvRIwWXa6Swmxb31LuWsOoPRcmD-8/).
+
+Following the excitement of Summer of Nix 2021 (more in [last year’s
+report](https://summer.nixos.org/assets/report-2021.pdf), I am happy to
+announce that the European Commission, NLNet and the NixOS Foundation have
+granted enough budget to organize another community event this year. After some
+brainstorming sessions I am excited to share how we (an organization committee
+of ~8 people now) would like to organize this event.
+
+Summer of Nix is **a paid summer program** where you can **learn, meet, and
+work** with the Nix community. It targets experienced Nixers and Nix newcomers
+alike to come together and work on a range of different topics. At the same
+time, there will be talks about Nix and presentations by Nix-using companies
+with the goal of fostering a strong sense of community and pushing the
+ecosystem forward together.
+
+What’s new this year is that we offer …
+
+ * a **communication stream** to write quality documentation, deployment
+   stories, tutorials, and produce video content and podcast episodes;
+ * an **ecosystem stream** to work directly on Nix tooling that improves the
+   overall packaging and package user experience;
+ * a **packaging stream** to package new free and open source software either
+   within nixpkgs or as independent flakes.
+
+All streams focus on improving Nix support for the **free and open source
+(FOSS) ecosystem** from different angles, as last year with emphasis on the
+packages sponsored by the European Commission via the NGI initiative and
+NLNet.
+
+You can participate in Summer of Nix in several ways:
+
+ * **As a participant** you will work full time on various projects together
+   with other participants within the 3 work streams for about 8 weeks (with
+   some flexibility, e.g. to take vacation). This is the main role in Summer of
+   Nix and great for those who work in a team to share and improve their Nix
+   skills, meet nice people while contributing to the community.
+ * **As a team coordinator** you will lead a small team, arrange communication
+   and mentoring, and guide technical discussions and decisions. You will also
+   be involved in the overall organization of the program with other
+   coordinators. Technical work in this role includes reviewing PRs and
+   answering technical questions. Hours can vary, but on average the time
+   commitment is about 12 hours a week. Experienced Nix tinkerers with a social
+   knack are encouraged to apply for this role. If you’re interested in Nix and
+   also enjoy team organization, this role is for you!
+ * **As a tech wiz** you will pair program with participants, answer their
+   questions, review their PRs, and show them how to get along with Nix. This
+   is a great way to be involved if you are an experienced Nixer and enjoy
+   helping others in a flexible way.
+ * **As a project lead** you offer a project within the three work streams. You
+   would work together with participants on this project, and provide them with
+   guidance and technical expertise. This is great for anyone who is looking
+   for support on their own Nix project. If you have an idea, please apply, but
+   understand that projects have to fall within the three work streams and we
+   will need to evaluate whether they can fit within the scope of the European
+   Commission’s grant.
+
+The compensation depends a bit on each role but will roughly be oriented on
+Google’s Summer of Code stipend for the participant roles.
+
+Please write to [email protected] if you have questions. In addition to this, we
+will also have **a separate sponsor track** for companies who want to connect
+with the community in this program this year. But more about this later…