Lunchflow integration (#259)

* First pass lunch flow

* Fixes

- Fix apikey not being saved properly due to provider no reload support
- Fix proper messages if we try to link existing accounts.

* Fix better error handling

* Filter existing transactions and skip duplicates

* FIX messaging

* Branding :)

* Fix XSS and linter

* FIX provider concern

- also fix code duplication

* FIX md5 digest

* Updated determine_sync_start_date to be account-aware

* Review fixes

* Broaden error catch to not crash UI

* Fix buttons styling

* FIX process account error handling

* FIX account cap and url parsing

* Lunch Flow brand

* Found orphan i18n strings

* Remove per conversation with @sokie

---------

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

app/views/accounts/index.html.erb

@@ -21,7 +21,7 @@
   </div>
 </header>
 
-<% if @manual_accounts.empty? && @plaid_items.empty? && @simplefin_items.empty? %>
+<% if @manual_accounts.empty? && @plaid_items.empty? && @simplefin_items.empty? && @lunchflow_items.empty? %>
   <%= render "empty" %>
 <% else %>
   <div class="space-y-2">
@@ -33,6 +33,10 @@
       <%= render @simplefin_items.sort_by(&:created_at) %>
     <% end %>
 
+    <% if @lunchflow_items.any? %>
+      <%= render @lunchflow_items.sort_by(&:created_at) %>
+    <% end %>
+
     <% if @manual_accounts.any? %>
       <%= render "accounts/index/manual_accounts", accounts: @manual_accounts %>
     <% end %>