Add well-known folder (#829)

.well-known/matrix/client

@@ -0,0 +1,8 @@
+{
+    "m.homeserver": {
+        "base_url": "https://chat.privacytools.io"
+    },
+    "m.identity_server": {
+        "base_url": "https://vector.im"
+    }
+}

_config.yml

@@ -6,4 +6,5 @@ sass:
 plugins:
   - jekyll-sitemap
 sitemap:
-file: "/sitemap.xml"
+file: "/sitemap.xml"
+include: [".well-known"]