Add more thematic small servers

Some of these are extremely small but backed by masto.host, so easy to
scale up.

source/en/portal/servers/index.md

@@ -29,6 +29,7 @@ title: "Themed servers"
 * [rollenspiel.social](https://rollenspiel.social) - (German) roleplay, Pen & Paper, tabletop, TCG, for all gamers *(Mastodon)*
 * [radiosocial.de](https://radiosocial.de) - for German radio amateurs *(Mastodon)*
 * [pl.nudie.social](https://pl.nudie.social) - for naturists, nudists, clothes-free living *(Akkoma)*
+* [prf.me](https://prf.me) - for perfume, fragrance and scent lovers *(Mastodon)*
 
 ### 🚄  Travel, Transport and Infrastructure
 * [rail.chat](https://rail.chat) - discussions about long-distance, passenger and freight rail networks for economic, environmental and equity benefits *(Mastodon)*
@@ -89,7 +90,8 @@ title: "Themed servers"
 * [mastodon.in.th](https://mastodon.in.th) - Thailand *(Mastodon)*
 * [wien.rocks](https://wien.rocks) - Vienna, Austria *(Mastodon)*
 * [soc.ua-fediland.de](https://soc.ua-fediland.de) - Ukraine *(Mastodon)*
-* [toot.wales](https://toot.wales) - Wales *(Mastodon)*
+* [bne.social](https://bne.social) - Brisbane, Australia *(Mastodon)*
+* [wokka.be](https://wokka.be) - Belgium
 
 ### 🎬 [Book / Game / Show theme](#entertainment)
 * [osrs.club](https://osrs.club) - themed around Old School Runescape *(Pleroma)*
@@ -100,6 +102,11 @@ title: "Themed servers"
 * [techlover.eu](https://techlover.eu) - talk about new technologies like development, digital art or science *(Mastodon)*
 * [layer8.space] - talk about Linux, anime, music, software and more *(Mastodon)*
 * [hachyderm.io](https://hachyderm.io) - for respectful professionals in the tech industry *(Mastodon)*
+* [retro.pizza](https://retro.pizza) - for queer-friendly nerds to talk about nerd culture *(Mastodon)*
+* [devschile.social](https://devschile.social) - for Spanish-language techies of Chile *(Mastodon)*
+* [recsys.social](https://recsys.social) - talk about recommender systems *(Mastodon)*
+* [techhub.social](https://techhub.social) - for passionate technologists and everyone in Canada *(Mastodon)*
+* [k8s.social](https://k8s.social) - for kubernetes, container and cloud native enthusiasts *(Mastodon)*
 
 ### 💻 [Programming](#instances-for-programmers)
 * [pythondevs.social](https://pythondevs.social) - for Python developers of all experience levels *(Pleroma)*
@@ -111,6 +118,7 @@ title: "Themed servers"
 ### 🐰 [Ecology and animals](#ecology-and-animals)
 * [toot.cat](https://toot.cat) - instance for cats, the people who love them, and kindness in general *(Mastodon)*
 * [floe.earth](https://mastodon.floe.earth) - talk about climate, society, but also pleasant things in life *(Mastodon)*
+* [sauropods.win](https://sauropods.win) - for sauropod appreciators
 
 ### ⚕ [Healthcare](#health)
 * [fedisabled.social](https://fedisabled.social) - for all disabled people *(Mastodon)*
@@ -265,6 +273,7 @@ The following instances will be removed soon as they're above 5000 users
 * [mastodon.nl](https://mastodon.nl) - Netherlands *(Mastodon)*
 * [sfba.social](https://sfba.social) - San Francisco Bay Area, USA *(Mastodon)*
 * [mastodon.green](https://mastodon.green) - green European Union *(Mastodon)*
+* [toot.wales](https://toot.wales) - Wales *(Mastodon)*
 
 ## Disclaimer
 `Following instances skipped`: number of users > 5.000, closed registration *at the moment of checking*, behind Cloudflare, running old code, theme / description not understood due to language barrier or scarce description, long blocklists, experimental servers.