Add currency to character sheet (#60)

Changes:
 + add fields to track currency
 + show value of standard items

templates/sheets/character/gear.hbs

@@ -1,3 +1,20 @@
+<table>
+	<thead>
+		<tr>
+			<th class="title" style="text-align: center">{{localize "midgard5.currency-gold"}}</th>
+			<th class="title" style="text-align: center">{{localize "midgard5.currency-silver"}}</th>
+			<th class="title" style="text-align: center">{{localize "midgard5.currency-copper"}}</th>
+		</tr>
+	</thead>
+	<tbody>
+		<tr>
+			<td class="fixed-value"><input type="number" name="data.info.gold" value="{{data.info.gold}}"></td>
+			<td class="fixed-value"><input type="number" name="data.info.silver" value="{{data.info.silver}}"></td>
+			<td class="fixed-value"><input type="number" name="data.info.copper" value="{{data.info.copper}}"></td>
+		</tr>
+	</tbody>
+</table>
+
 <table>
 	<thead>
 		<tr>
@@ -106,10 +123,12 @@
 	<thead>
 		<tr>
 			<th class="title">{{localize "TYPES.Item.item"}}</th>
+			<th class="title center">{{localize "midgard5.item-value"}}</th>
 			<th class="title"></th>
 		</tr>
 	</thead>
 	<tbody>
+		</tr>
 		{{#each data.calc.gear.items as |item itemId|}}
 			<tr data-item="{{itemId}}">
 				<td class="padding">
@@ -118,6 +137,11 @@
 						<span class="spell-process">{{localize "midgard5.equipped"}}</span>
 					{{/if}}
 				</td>
+				<td style="text-align: start">
+					{{#unless (or (eq item.value 0) (eq item.currency ""))}}
+					<span class="spell-process">{{item.value}} {{localize (m5concat "midgard5.currency-" item.currency)}}</span>
+					{{/unless}}
+				</td>
 				<td class="fixed-value"><a class="item-delete" title="Delete Item"><i class="fas fa-trash"></i></a></td>
 			</tr>
 		{{/each}}

templates/sheets/item/item.hbs

@@ -23,7 +23,15 @@
 				<td>
 					<div class="flexrow">
 						<span>{{localize "midgard5.item-value"}}</span>
-						<input name="data.value" type="text" value="{{data.value}}" data-dtype="Number" />
+						<input name="data.value" type="number" value="{{data.value}}" data-dtype="Number" />
+						<select class="select-mod-operation" name="data.currency" data-type="String">
+						{{#select data.currency}}
+							<option value=""></option>
+							<option value="copper">{{localize "midgard5.currency-copper"}}</option>
+							<option value="silver">{{localize "midgard5.currency-silver"}}</option>
+							<option value="gold">{{localize "midgard5.currency-gold"}}</option>
+						{{/select}}
+					</select>
 					</div>
 				</td>
 			</tr>