Rename Stocks to Markets

Also fix bug that would remove markets if a network request failed
and not show them again until Glance was restarted

internal/assets/templates/markets.html

@@ -0,0 +1,39 @@
+{{ template "widget-base.html" . }}
+
+{{ define "widget-content" }}
+{{ if ne .Style "dynamic-columns-experimental" }}
+<ul class="list list-gap-20 list-with-separator">
+    {{ range .Markets }}
+    <li class="flex items-center gap-15">
+        {{ template "market" . }}
+    </li>
+    {{ end }}
+</ul>
+{{ else }}
+<div class="dynamic-columns">
+    {{ range .Markets }}
+    <div class="flex items-center gap-15">
+        {{ template "market" . }}
+    </div>
+    {{ end }}
+</div>
+{{ end }}
+{{ end }}
+
+{{ define "market" }}
+<div class="min-width-0">
+    <a{{ if ne "" .SymbolLink }} href="{{ .SymbolLink }}" target="_blank" rel="noreferrer"{{ end }} class="color-highlight size-h3 block text-truncate">{{ .Symbol }}</a>
+    <div class="text-truncate">{{ .Name }}</div>
+</div>
+
+<a class="market-chart" {{ if ne "" .ChartLink }} href="{{ .ChartLink }}" target="_blank" rel="noreferrer"{{ end }}>
+    <svg class="market-chart shrink-0" viewBox="0 0 100 50">
+        <polyline fill="none" stroke="var(--color-text-subdue)" stroke-width="1.5px" points="{{ .SvgChartPoints }}" vector-effect="non-scaling-stroke"></polyline>
+    </svg>
+</a>
+
+<div class="stock-values shrink-0">
+    <div class="size-h3 text-right {{ if eq .PercentChange 0.0 }}{{ else if gt .PercentChange 0.0 }}color-positive{{ else }}color-negative{{ end }}">{{ printf "%+.2f" .PercentChange }}%</div>
+    <div class="text-right">{{ .Currency }}{{ .Price | formatPrice }}</div>
+</div>
+{{ end }}