pleroma.json: Update connections

They all have been tested.

source/_data/pleroma.json

@@ -1,4 +1,3 @@
-
 {
   "data":
     {
@@ -38,7 +37,7 @@
       "dwellers": "?",
       "communities": "",
       "descr": "Pleroma microblogging platform was quickly appreciated by the community for its low resource consumption. If you have a Raspberry Pi or similar single-board computer you can use it as Pleroma server for family and friends.",
-      "connections": ["GNU Social", "Mastodon", "Friendica", "Pleroma", "postActiv"],
+      "connections": ["Friendica", "Gnu Social", "Hubzilla", "Mastodon", "microblog.pub", "Misskey", "Peertube", "Pleroma", "Plume", "postActiv", "write.as"],
       "tracker": "https://git.pleroma.social/pleroma/pleroma/issues",
       "bounty": "",
       "translating": "",