matrix: add rentention/ for hopefully finding it again

irc/atheme/nsset.txt

@@ -8,7 +8,7 @@
 /ns set property Fediverse @mikaela@social.snopyta.org
 /ns set property FediversePolitics @MikaelaPPFI@mastodon.pirateparty.be
 /ns set property Feneas https://portal.feneas.org/users/about
-/ns set property FursonaSpecies savannah cat / lion / dragon / vampireish -hybrid?
+/ns set property FursonaSpecies Dragonic feline (savannah cat / lion?) shapeshifter with vampiric traits
 /ns set property PrimaryAccount Mikaela
 /ns set property IdentityProof https://mikaela.info/txt/irc.txt
 /ns set property LastFM Ciblia

matrix/retention/31days.json

@@ -0,0 +1,4 @@
+{
+      "min_lifetime": 86400000,
+      "max_lifetime": 2678400000
+}

matrix/retention/README.md

@@ -0,0 +1,13 @@
+# Room history retention settings / state event `m.room.retention`
+
+* https://brendan.abolivier.bzh/matrix-retention-policies/
+
+Read that, it explains what is actually done etc.
+
+## Notes
+
+* Matrix uses milliseconds, keep that in mind!
+* Everything requires every server involved to have rention support enabled,
+  otherwise the messages go nowhere and are fetchable upon request.
+* 86400000 = 1 day (seen in min lifetimes)
+* Helpful: https://unitchefs.com/milliseconds/days/ / https://unitchefs.com/days/milliseconds/

matrix/retention/week.json

@@ -0,0 +1,4 @@
+{
+      "min_lifetime": 86400000,
+      "max_lifetime": 604800000
+}