pages/browser-extensions.markdown: more descriptive retitle to browser configuration

pages/browser-extensions.markdown

@@ -3,7 +3,7 @@ layout: page
 title: Browser extensions I often end up installing
 permalink: /browser-extensions.html
 sitemap: true
-excerpt: "List of links to browser extensions I often end up installing in new environments while missing access to sync."
+excerpt: "Browser advanced configuration that tends to not sync"
 redirect_from:
   - /firefox.html
   - /firefox-extensions.html
@@ -14,6 +14,18 @@ redirect_from:
 
 If you need browser extensions, try [the Privacy Guides page](https://privacyguides.org/browsers/).
 
+<!-- START doctoc generated TOC please keep comment here to allow auto update -->
+<!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
+
+- [Chromium flags](#chromium-flags)
+  - [Vendor-prefixed](#vendor-prefixed)
+- [Firefox about:config](#firefox-aboutconfig)
+  - [Advertising](#advertising)
+  - [DNS over HTTPS](#dns-over-https)
+  - [SSDs](#ssds)
+
+<!-- END doctoc generated TOC please keep comment here to allow auto update -->
+
 <!--
 
 https://addons.mozilla.org/firefox/addon/text-link/ - doubleclick plaintext link to use

pages/discuss.markdown

@@ -53,6 +53,16 @@ I do hope to be able to grow this list in the future.
 
 ---
 
+<!-- START doctoc generated TOC please keep comment here to allow auto update -->
+<!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
+
+- [A couple of words on protocols](#a-couple-of-words-on-protocols)
+- [And on transports, relays and bridges](#and-on-transports-relays-and-bridges)
+
+<!-- END doctoc generated TOC please keep comment here to allow auto update -->
+
+---
+
 ## A couple of words on protocols
 
 - _IRC_ was invented in 1988 and regardless of developing integrated message