fix some 404 links (#403)

fixes #402

Author: SethTisue

records/2022-Q1-activity-report.md

@@ -71,7 +71,7 @@ In this quarter, we followed up on these changes by updating the defaults:
 
 - coursier now installs the official `sbt` distribution, rather than a custom one
 - it considers Scala 2 and Scala 3 to be the same application, with different versions (and installs Scala 3 by default)
-- we have updated [the Getting Started page](https://docs.scala-lang.org/getting-started/index.html) on the scala-lang.org website, along with related pages (notably, the front page)
+- we have updated [the Getting Started page](https://docs.scala-lang.org/getting-started/install-scala.html) on the scala-lang.org website, along with related pages (notably, the front page)
 
 ### TASTy-query
 

records/2022-Q2-activity-report.md

@@ -250,9 +250,9 @@ To this effect, we achieved the following work:
 - We have updated the quick-links in the title bar to read more clearly (using simpler words), and to link to Scastie
   (PR [lampepfl/dotty#14819](https://github.com/lampepfl/dotty/pull/14819), PR [scala/docs.scala-lang#2363](https://github.com/scala/docs.scala-lang/pull/2363), and PR [scala/scala-lang#1360](https://github.com/scala/scala-lang/pull/1360))
 - After listening to community feedback, we re-introduced explicit install instructions to the [install page](https://www.scala-lang.org/download/), with tabs that give specialised instructions for each operating system, also included is information to
-  test that your set-up works correctly. We also included the same tabs on the [getting-started guide](https://docs.scala-lang.org/getting-started/index.html) in the docs (PR [scala/scala-lang#1373](https://github.com/scala/scala-lang/pull/1373), and PR [scala/docs.scala-lang#2388](https://github.com/scala/docs.scala-lang/pull/2388))
+  test that your set-up works correctly. We also included the same tabs on the [getting-started guide](https://docs.scala-lang.org/getting-started/install-scala.html) in the docs (PR [scala/scala-lang#1373](https://github.com/scala/scala-lang/pull/1373), and PR [scala/docs.scala-lang#2388](https://github.com/scala/docs.scala-lang/pull/2388))
 - We realise that newcomers may have unique circumstances that mean following the getting-started guide does not always
-  work. To help, we added a sticky notice to [the guide](https://docs.scala-lang.org/getting-started/index.html) that
+  work. To help, we added a sticky notice to [the guide](https://docs.scala-lang.org/getting-started/install-scala.html) that
   suggests they ask for help in the `#scala-users` channel on Discord.
 - At present the index of [docs.scala-lang.org](https://docs.scala-lang.org) is split between Scala 2 and Scala 3, and
   Scala 3 pages have a unique theme and navigation layout, when compared to Scala 2 pages. This has lead to much
@@ -353,7 +353,7 @@ restart the SIP meetings, and assign proposals to reviewers.
 
 ### ScalaCon 2022
 
-[ScalaCon](http://www.scalacon.org/) is a series of online conferences designed
+[ScalaCon](https://web.archive.org/web/20250101143410/https://www.scalacon.org/) is a series of online conferences designed
 to bring the Scala community closer together.
 
 We are in charge of the program and the program committee of

records/2022-Q3-activity-report.md

@@ -204,7 +204,7 @@ One of our goals at the Scala Center is to increase the adoption of Scala – an
 
 In Q3, we've set up everything at EPFL to make the workshop happen, and conducted the first dry run of the workshop for the teams of LAMP and Scala Center. In Q4, we'll start conducting the workshop for the wider EPFL community which will hopefully lead to a wider awareness about Scala.
 
-To get an idea of what the workshop is about, see the following [blog article](https://akmetiuk.com/posts/2022-02-19-launching-rockets.html).
+To get an idea of what the workshop is about, see the following [blog article](https://anatoliikmt.me/posts/2022-02-19-launching-rockets/).
 
 We have also organized a local event, a “Scala Lunch”, where people using Scala or curious about Scala could hang out and discuss together. 31 attendees were present.
 

records/2022-Q4-activity-report.md

@@ -220,7 +220,7 @@ To spark the interest of EPFL scientists and students in Scala, throughout 2022,
 In Q4, we finalized this project by conducting the first workshop for the EPFL community. We had around 10 participants, and the workshop was a success. We're tentatively planning to conduct one such workshop per semester to spread awareness about Scala at EPFL and gain more userbase at our home university.
 
 - [EPFL Announcement](https://memento.epfl.ch/event/launching-rockets-with-scala/)
-- [Technical blog](https://akmetiuk.com/posts/2022-02-19-launching-rockets.html) to get an idea of what it is all about.
+- [Technical blog](https://anatoliikmt.me/posts/2022-02-19-launching-rockets/) to get an idea of what it is all about.
 
 ### Google Summer of Code
 

records/2023-Q1-activity-report.md

@@ -360,7 +360,7 @@ We have also prepared and conducted a discussion about the Compiler Academy duri
 
 For Scala 2 and 3.
 
-Scala Center has a long-standing tradition of participation in Google Summer of Code. This program presents a great opportunity to onboard beginner Scala programmers into the OSS world. In Q1 2023, we registered and were [accepted](https://www.scala-lang.org/blog-detail/2023/02/28/acceptd-to-gsoc-2023.html) for the 2023 iteration of the program. Currently, in collaboration with LAMP, we are working with 5 lead mentors from the Scala OSS world to welcome the new contributors in Summer.
+Scala Center has a long-standing tradition of participation in Google Summer of Code. This program presents a great opportunity to onboard beginner Scala programmers into the OSS world. In Q1 2023, we registered and were [accepted](https://www.scala-lang.org/blog-detail/2023/02/28/accepted-to-gsoc-2023.html) for the 2023 iteration of the program. Currently, in collaboration with LAMP, we are working with 5 lead mentors from the Scala OSS world to welcome the new contributors in Summer.
 
 ### Scala Lunches at EPFL