Big refactor, many minor fixes (#441)

* Big refactor, many minor fixes

* Link fixes, icon edits

* Index and ToC fixes

* update icons in theme lib and add to device guides index

* WIP - refactor Initial setup, LAN, FF, others

* First draft ready, many fixes and edits

* Ooops - minor edits and changes on initial setup

* Add change password guide (try 2).

* Remove change password menu item from guides

* Fix display bug, think different

---------

Co-authored-by: Lucy Cifferello <12953208+elvece@users.noreply.github.com>
Co-authored-by: gStart9 <george@start9labs.com>

site/source/user-manual/getting-started/index.rst

@@ -0,0 +1,37 @@
+.. _getting-started:
+
+===============
+Getting Started
+===============
+Welcome to Sovereign Computing!  Follow the 2 guides below to get up and running with your personal server.
+
+.. raw:: html
+
+  <div class="topics-grid grid-container full">
+
+  <div class="grid-x grid-margin-x">
+
+.. topic-box::
+  :title: Initial Setup
+  :link: initial-setup
+  :icon: scylla-icon scylla-icon--home
+  :class: large-4
+  :anchor: Start
+
+  Plug in, turn on, opt out
+
+.. topic-box::
+  :title: Trust Root CA
+  :link: trust-ca
+  :icon: scylla-icon scylla-icon--testing
+  :class: large-4
+  :anchor: Setup
+
+  Securely integrate your clients
+
+.. toctree::
+  :hidden:
+  :maxdepth: 2
+
+  initial-setup
+  trust-ca