Automate installation process;

Add command line prompt to set configurations;
Update document README.

rivista/assets/json/README

@@ -1 +0,0 @@
-This directory caches lists of PubSub nodes.

rivista/assets/script/postprocess.js

@@ -239,7 +239,7 @@ window.onload = async function(){
     elementDiv.appendChild(elementP2);
     let elementSpan = document.createElement('span');
     elementSpan.id = 'return';
-    elementSpan.textContent = 'Return';
+    elementSpan.textContent = 'Continue Reading';
     elementSpan.addEventListener ('click', function() {
       document.querySelector('#selection-page').remove();
     });

rivista/assets/settings.toml

@@ -1,15 +0,0 @@
-# An account to connect XMPP Journal Publisher to the XMPP network.
-[account]
-xmpp = "" # Jabber ID.
-pass = "" # Password.
-
-# A default node, when no arguments are set.
-[default]
-pubsub = "pubsub.woodpeckersnest.space" # Jabber ID.
-nodeid = "PlanetJabber"  # Node ID.
-
-# Settings
-[settings]
-service = 1   # Enable server as a service.
-include = ""  # Limit service to a given domain.
-operator = "" # A Jabber ID to contact with, in case of an error.