chore: Updated developer news

LATEST_DEVELOPER_NEWS.md

@@ -1,3 +1,26 @@
+##### New FreeSewing sub-Reddit and Facebook group
+
+Some news from the communtity team:
+
+ - Redittors: Head over to [r/freesewing](redditors) for a subreddit by the FreeSewing community.
+ - Facebook people: This [FreeSewing Facebook group](https://www.facebook.com/groups/627769821272714/) is for you.
+
+Less new but still relevant: We're also on 
+[Discord](https://discord.freesewing.org), 
+[Instagram](https://instagram.com/freesewing_org), 
+[Twitter](https://twitter.com/freesewing_org), 
+and [Github](https://github.com/freesewing), 
+but you knew that, right?
+
+
+##### No contributor call until 2021
+
+The contributor call of 28 December is cancelled because of the holiday season.
+The next contributor call is on 11 January 2021
+
+All calls can be joined via [meet.freesewing.org](https://meet.freesewing.org/). 
+Notes and todos are [available on Github](https://github.com/freesewing/freesewing/issues?q=is%3Aissue+is%3Aopen+label%3Afscc).
+
 ##### Updated developer documentation
 
 We've give [freesewing.dev](https://freesewing.dev/), our websites for
@@ -20,6 +43,5 @@ Notes and todos are [available on Github](https://github.com/freesewing/freesewi
 We’ve moved our chat rooms from to Discord. 
 Our legacy chat on Gitter is deprecated.
 
-You can join us at https://chat.freesewing.org, 
-or use this in-app Discord invite: https://discord.gg/YDV4GvU
+You can join us at [discord.freesewing.org](https://discord.freesewing.org)