Add support for remote interact (#519)

Add support for remote interaction ([this thing](https://eldritch.cafe/users/Barmaid/remote_follow) in mastodon)

- [x] create the endpoint dispatching remote interactions to local pages
- [x] add this endpoint to web-finger
- [x] propose remote interaction when following and not connected
- [x] propose remote interaction when liking/sharing and not connected
- [x] propose remote interaction when commenting and not connected
- [x] fetch posts/comments we don't know but remote interaction was requested for ?

po/plume/pt.po

@@ -85,6 +85,12 @@ msgstr "Novo artigo"
 msgid "Edit {0}"
 msgstr "Mudar {0}"
 
+# src/routes/user.rs:222
+msgid ""
+"Couldn't obtain enough information about your account. Please make sure your "
+"username is correct."
+msgstr ""
+
 # src/routes/reshares.rs:47
 msgid "To reshare a post, you need to be logged in"
 msgstr ""
@@ -253,6 +259,17 @@ msgstr "Administrado por"
 msgid "Runs Plume {0}"
 msgstr ""
 
+#, fuzzy
+msgid "Follow {}"
+msgstr "Seguir"
+
+#, fuzzy
+msgid "Login to follow"
+msgstr "Entrar para gostar"
+
+msgid "Enter your full username to follow"
+msgstr ""
+
 msgid "Edit your account"
 msgstr "Editar sua conta"
 
@@ -565,6 +582,15 @@ msgstr "Entrar"
 msgid "Username, or email"
 msgstr "Nome de usuário ou e-mail"
 
+msgid "Interact with {}"
+msgstr ""
+
+msgid "Log in to interact"
+msgstr ""
+
+msgid "Enter your full username to interact"
+msgstr ""
+
 msgid "Publish"
 msgstr "Publicar"
 
@@ -654,7 +680,9 @@ msgid "Boost"
 msgstr ""
 
 #, fuzzy
-msgid "Log in, or use your Fediverse account to interact with this article"
+msgid ""
+"{0}Log in{1}, or {2}use your Fediverse account{3} to interact with this "
+"article"
 msgstr "Faça login ou use sua conta Fediverse para interagir com este artigo"
 
 msgid "Comments"
@@ -775,6 +803,21 @@ msgstr "Artigos marcados com \"{0}\""
 msgid "There are currently no articles with such a tag"
 msgstr "Não há atualmente nenhum artigo com essa etiqueta"
 
+#, fuzzy
+msgid "I'm from this instance"
+msgstr "Sobre esta instância"
+
+msgid "I'm from another instance"
+msgstr ""
+
+# src/template_utils.rs:225
+msgid "Example: user@plu.me"
+msgstr ""
+
+#, fuzzy
+msgid "Continue to your instance"
+msgstr "Configure sua instância"
+
 msgid "Upload"
 msgstr "Carregar"
 
@@ -885,15 +928,9 @@ msgstr "Utilizar como avatar"
 #~ msgid "Unfollow"
 #~ msgstr "Não Seguir"
 
-#~ msgid "Follow"
-#~ msgstr "Seguir"
-
 #~ msgid "Comment \"{0}\""
 #~ msgstr "Comentário \"{0}\""
 
-#~ msgid "Configure your instance"
-#~ msgstr "Configure sua instância"
-
 #~ msgid "Let's go!"
 #~ msgstr "Vamos lá!"
 
@@ -956,6 +993,3 @@ msgstr "Utilizar como avatar"
 
 #~ msgid "Next page"
 #~ msgstr "Próxima página"
-
-#~ msgid "Login to like"
-#~ msgstr "Entrar para gostar"