doc (encryption, cli): document Pubsub Targeted Encryption:

a small section has been added to `encryption` to explain the difference with OXPS, and
the `--encrypt-for` arguments are explained.

fix 382

doc/libervia-cli/blog.rst

@@ -18,6 +18,8 @@ publish a blog item.
 
 |e2e_arg|
 
+|pte_arg|
+
 |sign_arg|
 
 examples
@@ -109,6 +111,8 @@ configuration <edit_preview_>`_ below to see how to do.
 
 |e2e_arg|
 
+|pte_arg|
+
 |sign_arg|
 
 examples

doc/libervia-cli/pubsub.rst

@@ -26,6 +26,8 @@ you need to specify the full option name.
 
 |e2e_arg|
 
+|pte_arg|
+
 |sign_arg|
 
 .. _XEP-0060 §7.1.5: https://xmpp.org/extensions/xep-0060.html#publisher-publish-options
@@ -85,6 +87,8 @@ If you don't change anything or publish an empty blog post, the edition will be
 
 |e2e_arg|
 
+|pte_arg|
+
 |sign_arg|
 
 example