replace joinmobilizon.org by mobilizon.org (#1702)

lib/web/templates/api/terms.html.heex

@@ -253,7 +253,7 @@
 <p>
   <%= pgettext(
     "terms",
-    "For full details about the Mobilizon software <a href=\"https://joinmobilizon.org\">see here</a>."
+    "For full details about the Mobilizon software <a href=\"https://mobilizon.org\">see here</a>."
   )
   |> raw %>
 </p>

lib/web/templates/email/email.html.heex

@@ -189,7 +189,7 @@
                   )
                   |> raw %>
                   <br />
-                  <a href="https://joinmobilizon.org">
+                  <a href="https://mobilizon.org">
                     <%= gettext("Learn more about Mobilizon here!") %>
                   </a>
                 </p>

lib/web/templates/email/email.text.eex

@@ -8,4 +8,4 @@
 <%= gettext "Need help? Is something not working as expected?" %>
 <%= gettext "Ask the community on Framacolibri" %> https://framacolibri.org/c/mobilizon/39
 
-<%= gettext "%{instance} is powered by Mobilizon.", instance: @instance_name %> <%= gettext "Learn more about Mobilizon here!" %> https://joinmobilizon.org
+<%= gettext "%{instance} is powered by Mobilizon.", instance: @instance_name %> <%= gettext "Learn more about Mobilizon here!" %> https://mobilizon.org