Add a 'Bank Sync' page in Settings (#111)

* add initial pages for Bank Sync and Lunch Flow

* update breadcrumbs on Lunch Flow page

* update content for Lunch Flow page

* add norefeerrer to Github link

* update lunch flow url

* nest lunch_flow resource under bank_sync

* add a provider link partial

* remove trailing whitespaces

* update providers style to match merchants page

* remove separate lunch flow page

* fix hover on dark mode

* point lunch flow to custom sure landing page

* [i18n] Bank Sync label

* [i18n] API Keys

* [i18n] Self-Hosting consistency

* Security breadcrum, not "securities" default

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Co-authored-by: Juan José Mata <juanjo.mata@gmail.com>

app/controllers/settings/hostings_controller.rb

@@ -6,6 +6,10 @@ class Settings::HostingsController < ApplicationController
   before_action :ensure_admin, only: :clear_cache
 
   def show
+    @breadcrumbs = [
+      [ "Home", root_path ],
+      [ "Self-Hosting", nil ]
+    ]
     twelve_data_provider = Provider::Registry.get_provider(:twelve_data)
     @twelve_data_usage = twelve_data_provider&.usage
   end