Update with entries from Wikipedia

...see https://en.wikipedia.org/wiki/List_of_/.well-known/_services_offered_by_webservers

Discovery/Web-Content/common.txt

@@ -26,10 +26,14 @@
 .web
 .well-known/acme-challenge
 .well-known/apple-app-site-association
+.well-known/apple-developer-merchantid-domain-association
 .well-known/ashrae
 .well-known/assetlinks.json
+.well-known/autoconfig/mail
+.well-known/browserid
 .well-known/caldav
 .well-known/carddav
+.well-known/change-password
 .well-known/coap
 .well-known/core
 .well-known/csvm
@@ -41,8 +45,8 @@
 .well-known/genid
 .well-known/hoba
 .well-known/host-meta
-.well-known/http-opportunistic
 .well-known/host-meta.json
+.well-known/http-opportunistic
 .well-known/idp-proxy
 .well-known/jmap
 .well-known/keybase.txt
@@ -52,14 +56,17 @@
 .well-known/mud
 .well-known/nfv-oauth-server-configuration
 .well-known/ni
+.well-known/nodeinfo
 .well-known/oauth-authorization-server
 .well-known/openid-configuration
 .well-known/openorg
+.well-known/openpgpkey
 .well-known/pki-validation
 .well-known/posh
 .well-known/reload-config
 .well-known/repute-template
 .well-known/resourcesync
+.well-known/security.txt
 .well-known/stun-key
 .well-known/thread
 .well-known/time