feat: Include XMPP alt-connect data

Makefile

@@ -12,6 +12,7 @@ serve:
 		--include robots.txt
 	# A workaround to making the fonts load without the CDN
 	mv _site/assets/fonts _site/fonts
+	cp -r well-known _site/.well-known
 	cd _site/ && python -m http.server 8080
 
 build:
@@ -22,4 +23,5 @@ build:
 		--assets ./assets \
 		--copy-assets \
 		--include robots.txt
+	cp -r well-known _site/.well-known
 	tar -czf blog.tar.gz _site

well-known/host-meta

@@ -0,0 +1,7 @@
+<?xml version='1.0' encoding='utf-8'?>
+<XRD xmlns='http://docs.oasis-open.org/ns/xri/xrd-1.0'>
+  <Link rel="urn:xmpp:alt-connections:xbosh"
+        href="https://http.xmpp.polynom.me:443/http-bind" />
+  <Link rel="urn:xmpp:alt-connections:websocket"
+        href="wss://http.xmpp.polynom.me:443/xmpp-websocket" />
+</XRD>

well-known/host-meta.json

@@ -0,0 +1,12 @@
+{
+  "links": [
+    {
+      "rel": "urn:xmpp:alt-connections:xbosh",
+      "href": "https://http.xmpp.polynom.me:443/http-bind"
+    },
+    {
+      "rel": "urn:xmpp:alt-connections:websocket",
+      "href": "wss://http.xmpp.polynom.me:443/xmpp-websocket"
+    }
+  ]
+}