Newsletter recommendation tweaks, add campaign history dialog

inventory-server/db/schema.sql

@@ -21,6 +21,7 @@ CREATE TABLE products (
     description TEXT,
     sku TEXT NOT NULL,
     created_at TIMESTAMP WITH TIME ZONE,
+    date_online TIMESTAMP WITH TIME ZONE,
     first_received TIMESTAMP WITH TIME ZONE,
     stock_quantity INTEGER DEFAULT 0,
     preorder_count INTEGER DEFAULT 0,
@@ -63,6 +64,7 @@ CREATE TABLE products (
     baskets INTEGER DEFAULT 0,
     notifies INTEGER DEFAULT 0,
     date_last_sold DATE,
+    shop_score NUMERIC(10, 2) DEFAULT 0,
     updated TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
     PRIMARY KEY (pid)
 );