Icons!

Refs #2166

README.md

@@ -0,0 +1,3 @@
+# Redmine theme
+
+![Screenshot of issues page](screenshots/issues.png)

stylesheets/application.css

@@ -1,4 +1,5 @@
 @import url(../../../stylesheets/application.css);
+@import url("https://www.nerdfonts.com/assets/css/webfont.css");
 
 @font-face {
   font-family: "GitLab Sans";
@@ -109,3 +110,54 @@ table td {
   padding: .5em;
 }
 
+.help::before {
+  content: "❔ ";
+}
+.administration::before {
+  content: "⚙ ";
+}
+.projects::before {
+  content: "🌱 ";
+}
+.my-page::before {
+  content: "👤 ";
+}
+.home::before {
+  content: "🏠 ";
+}
+#main-menu .overview::before {
+  content: "👀 ";
+}
+#main-menu .activity::before {
+  content: "👣 ";
+}
+#main-menu .issues::before {
+  content: "🚩 ";
+}
+#main-menu .jobs::before {
+  content: "🪙 ";
+}
+#main-menu .time-entries::before {
+  content: "⏳ ";
+}
+#main-menu .gantt::before {
+  content: "📊 ";
+}
+#main-menu .calendar::before {
+  content: "📅 ";
+}
+#main-menu .news::before {
+  content: "📰 ";
+}
+#main-menu .documents::before {
+  content: "📄 ";
+}
+#main-menu .wiki::before {
+  content: "📝 ";
+}
+#main-menu .files::before {
+  content: "📁 ";
+}
+#main-menu .settings::before {
+  content: "⚙ ";
+}