feat: create specific price system and adapt product queries

bruno/api_v1/specific_price/Delete.yml

@@ -0,0 +1,20 @@
+info:
+  name: Delete
+  type: http
+  seq: 7
+
+http:
+  method: DELETE
+  url: "{{bas_url}}/restricted/price-reductions/{{id}}"
+  auth: inherit
+
+runtime:
+  variables:
+    - name: id
+      value: "1"
+
+settings:
+  encodeUrl: true
+  timeout: 0
+  followRedirects: true
+  maxRedirects: 5