Basic Portfolio Views (#1000)

* Add holdings tab to account view

* Basic portfolio UI

* Cleanup

* Handle missing holding data

* Remove synced at (implemented in separate pr)

* translations

* Tweak post sync streams

* Remove stale methods from merge conflict

config/routes.rb

@@ -78,10 +78,13 @@ Rails.application.routes.draw do
     scope module: :account do
       resource :logo, only: :show
 
+      resources :holdings, only: %i[ index new show ]
+
       resources :entries, except: :index do
         collection do
           get "transactions", as: :transaction
           get "valuations", as: :valuation
+          get "trades", as: :trade
         end
       end
     end