Feature: Stock Purchase Metrics (#2135)

* Feature: Stock Purchase Metrics

* chart update

* Refactor to chartjs

* More suggestion edits

- locale in javascript
- global translations
- commit migrations sql file

* Rename 0215.sql to 0216.sql

Fixed merge conflict

* Fixed merge conflict

* Applied code style

* Added missing demo data translations

* Removed unused package "canvasjs"

* Don't include daterangepicker globally when only needed on a single page / fixed view section imports

* Rename this to "Spendings" / name it more generically "Stock reports"

* Reuse the existing product_price_history view

* Final cleanup

* Whitespace fix

---------

Co-authored-by: Travis Raup <travis.raup@platform.sh>
Co-authored-by: Bernd Bestel <bernd@berrnd.de>

views/stockoverview.blade.php

@@ -46,6 +46,19 @@
 					{{ $__t('Location Content Sheet') }}
 				</a>
 				@endif
+				@if(GROCY_FEATURE_FLAG_STOCK_PRICE_TRACKING)
+				<div class="dropdown">
+					<a class="btn btn-outline-dark responsive-button m-1 mt-md-0 mb-md-0 float-right dropdown-toggle"
+						href="#"
+						data-toggle="dropdown">
+						{{ $__t('Reports') }}
+					</a>
+					<div class="dropdown-menu">
+						<a class="dropdown-item"
+							href="{{ $U('/stockreports/spendings') }}">{{ $__t('Spendings') }}</a>
+					</div>
+				</div>
+				@endif
 			</div>
 		</div>
 		<div class="border-top border-bottom my-2 py-1">