[REFACTOR] webhook shared code to prevent import cycles

services/webhook/shared/img.go

@@ -0,0 +1,15 @@
+package shared
+
+import (
+	"html"
+	"html/template"
+	"strconv"
+
+	"code.gitea.io/gitea/modules/setting"
+)
+
+func ImgIcon(name string, size int) template.HTML {
+	s := strconv.Itoa(size)
+	src := html.EscapeString(setting.StaticURLPrefix + "/assets/img/" + name)
+	return template.HTML(`<img width="` + s + `" height="` + s + `" src="` + src + `">`)
+}