change embassyOS to StartOS & nuance (#357)

* change embassyOS to StartOS & nuance

* Update conf.py

* Update manifest.rst

* say start9 instead of embassy in two links

* progress

* scrubbed faqs - basic-use, lightning, service-packaging, services, startos

* add a few fixes

* more

* more 'embassy' cleanup

* more

* the last of embassy (aside from sdk and cli commands, links, etc)

* some fixes

* update icon, logo, and theme

* Update site/source/user-manual/upgrade-hardware/upgrade-pro.rst

* Update site/source/developer-docs/packaging.rst

* Update site/source/developer-docs/specification/config-spec.rst

* Update site/source/learn/concepts/networks.rst

* Update site/source/learn/concepts/networks.rst

* Update site/source/user-manual/customize.rst

* Update site/source/support/faq/faq-basic-use.rst

* Update site/source/user-manual/upgrade-hardware/naspi-upgrade.rst

* Update site/source/user-manual/upgrade-hardware/upgrade-pro.rst

* Update site/source/support/faq/faq-bitcoin.rst

* Update site/source/support/faq/faq-bitcoin.rst

* Update site/source/support/faq/faq-general.rst

* Update site/source/support/faq/faq-general.rst

* Update site/source/support/faq/faq-general.rst

* Update site/source/support/faq/faq-general.rst

* Update site/source/support/faq/faq-services.rst

* Update site/source/support/faq/faq-general.rst

* Update site/source/support/faq/faq-startos.rst

* Update site/source/support/faq/faq-troubleshooting.rst

* Update site/source/support/faq/faq-startos.rst

* Minor fixes

* Fix build errors, ready to roll

* Add Beethoven

* More fixes

* More nother fix

* More nother fixes agin

* Remove sentence

* cards instead

---------

Co-authored-by: Matt Hill <matthewonthemoon@gmail.com>
Co-authored-by: Shadowy Super Coder <musashidisciple@proton.me>
Co-authored-by: Lucy Cifferello <12953208+elvece@users.noreply.github.com>
Co-authored-by: kn0wmad <39687477+kn0wmad@users.noreply.github.com>
Co-authored-by: agent <kn0wmad@protonmail.com>

site/source/developer-docs/specification/checklist.rst

@@ -8,7 +8,7 @@ Checklist
   :depth: 2 
   :local:
 
-This guide outlines a checklist of steps to complete in order to package a service for embassyOS. For a more in depth example, visit the :ref:`build your first package <service-packaging>` guide.
+This guide outlines a checklist of steps to complete in order to package a service for StartOS. For a more in depth example, visit the :ref:`build your first package <service-packaging>` guide.
 
 Packaging
 ---------
@@ -30,7 +30,7 @@ Packaging
 Testing:
 --------
 
-    1. Sideload ``<package-id>.s9pk`` onto an Embassy
+    1. Sideload ``<package-id>.s9pk`` onto StartOS
     2. Install package using embassy-cli
     3. Start package using embassy-cli, or in the UI
     4. Check logs to see if errors