Fix broken links in 2022-03-27-March.md (#159)

_posts/2022-03-27-March.md

@@ -18,7 +18,7 @@ builds:
     caption: >
       "MSS Faraday: Boldly going above Y = 20000", by <a href="https://content.luanti.org/users/BuckarooBanzay/">BuckarooBanzai</a>
 
-      You can get the schematic <a href="https://blockexchange.minetest.land/api/static/schema/BuckarooBanzai/mss_faraday">here</a>.
+      You can get the schematic <a href="https://blockexchange.minetest.ch/schema/BuckarooBanzai/mss_faraday">here</a>.
 
   - src: /static/blog/2022_March/atlas.png?raw=true
     caption: Atlas by <a href="https://content.luanti.org/users/GreenXenith/">GreenXenith</a>
@@ -133,7 +133,7 @@ developed a mod and server software called
 [BlockExchange](https://content.luanti.org/packages/BuckarooBanzay/blockexchange/).
 It allows you to share and use your builds (schematics) across different worlds.
 (think: Thingiverse(tm) for Minetest builds) You can browse available builds
-[here](https://blockexchange.minetest.land/), and with the mod installed on
+[here](https://blockexchange.minetest.ch/), and with the mod installed on
 singleplayer or on a server, you can download and place builds, or upload new
 builds.