Feature/consolidate setup (#3092)

* start consolidating

* add start-cli flash-os

* combine install and setup and refactor all

* use http

* undo mock

* fix translation

* translations

* use dialogservice wrapper

* better ST messaging on setup

* only warn on update if breakages (#3097)

* finish setup wizard and ui language-keyboard feature

* fix typo

* wip: localization

* remove start-tunnel readme

* switch to posix strings for language internal

* revert mock

* translate backend strings

* fix missing about text

* help text for args

* feat: add "Add new gateway" option (#3098)

* feat: add "Add new gateway" option

* Update web/projects/ui/src/app/routes/portal/components/form/controls/select.component.ts

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* add translation

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Matt Hill <mattnine@protonmail.com>

* fix dns selection

* keyboard keymap also

* ability to shutdown after install

* revert mock

* working setup flow + manifest localization

* (mostly) redundant localization on frontend

* version bump

* omit live medium from disk list and better space management

* ignore missing package archive on 035 migration

* fix device migration

* add i18n helper to sdk

* fix install over 0.3.5.1

* fix grub config

---------

Co-authored-by: Matt Hill <mattnine@protonmail.com>
Co-authored-by: Matt Hill <MattDHill@users.noreply.github.com>
Co-authored-by: Alex Inkin <alexander@inkin.ru>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

core/src/system/keyboard.conf.template

@@ -0,0 +1,8 @@
+Section "InputClass"
+    Identifier "system-keyboard"
+    MatchIsKeyboard "on"
+    Option "XkbModel"   "{model}"
+    Option "XkbLayout"  "{layout}"
+    Option "XkbVariant" "{variant}"
+    Option "XkbOptions" "{options}"
+EndSection

core/src/system/vconsole.conf.template

@@ -0,0 +1,7 @@
+XKBMODEL="{model}"
+XKBLAYOUT="{layout}"
+XKBVARIANT="{variant}"
+XKBOPTIONS="{options}"
+
+KEYMAP="{keymap}"
+