Add support for webmentions and pingbacks

README.md

@@ -152,6 +152,18 @@ links and PGP key file links with the PGP fingerprint as a toolip:
     icon = "fa fa-key"
 ```
 
+### Configuring Webmentions
+
+[Webmention](https://www.w3.org/TR/webmention/) and/or 
+[Pingback](http://www.hixie.ch/specs/pingback/pingback) support can easily be
+configured by including the endpoint URL:
+
+```toml
+  [params]
+    Webmention = "https://example.org/webmention"
+    Pingback = "https://example.org/pingpack"
+```
+
 ## Theme Organization
 
 ### Semantic Content Organization

exampleSite/config.toml

@@ -13,6 +13,8 @@ paginate = 5
   builtWith = "Built with [Hugo](https://gohugo.io/)"
   homepageSectionTitle = "What's New"
   mainSections = [ "posts" ]
+  Webmention = "https://example.org/webmention"
+  Pingback = "https://example.org/pingpack"
 
   # Configuration Parameters for IndieWeb h-card
   [params.Card]

layouts/partials/identity.html

@@ -1,3 +1,4 @@
+<!-- Rel=Me Identity Links -->
 {{- range .Site.Params.Identity -}}
 {{- $relMe := cond .authn "me authn" "me" -}}
 {{- if (eq .type "Email") }}
@@ -15,3 +16,10 @@
 <link rel="{{ $relPgp }}" href="{{ .value }}">
 {{- end -}}
 {{- end -}}
+<!-- Webmention Links -->
+{{- with .Site.Params.Webmention }}
+<link rel="webmention" href="{{ . }}">
+{{- end }}
+{{- with .Site.Params.Pingback }}
+<link rel="pingback" href="{{ . }}">
+{{- end }}