target/realtek: add icons for some menu entries

(cherry picked from commit d4c908600520fd1387e1bc1a4864753e3b150f35)

target/linux/realtek/base-files.mk

@@ -25,6 +25,12 @@ HOST_LN="$(subst ${STAGING_DIR_HOST},$${STAGING_DIR_HOST},$(LN))"
 
 	$${HOST_LN} /usr/sbin/jffs2reset "$${IPKG_INSTROOT}/sbin/jffs2reset"
 
+	$${HOST_SED} '/<link rel="shortcut icon" href="<%=media%>\/favicon.ico">/a         <link rel="stylesheet" href="<%=resource%>/easepi/easeicon.css?t=1642756089463">' \
+		$${IPKG_INSTROOT}/usr/lib/lua/luci/view/themes/argon_dark/header.htm \
+		$${IPKG_INSTROOT}/usr/lib/lua/luci/view/themes/argon_light/header.htm \
+		$${IPKG_INSTROOT}/usr/lib/lua/luci/view/themes/argon_dark_purple/header.htm \
+		$${IPKG_INSTROOT}/usr/lib/lua/luci/view/themes/argon_light_green/header.htm
+
 	true
 }
 endef

target/linux/realtek/base-files/www/luci-static/resources/easepi/easeicon.css

@@ -0,0 +1,54 @@
+@font-face {
+  font-family: "easeicon"; /* Project id 3156136 */
+  src: url('iconfont.woff2?t=1642756089463') format('woff2'),
+       url('iconfont.woff?t=1642756089463') format('woff'),
+       url('iconfont.ttf?t=1642756089463') format('truetype');
+}
+
+.easeicon {
+  font-family: "easeicon" !important;
+  font-size: 16px;
+  font-style: normal;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+.eicon-store:before {
+  content: "\e60f";
+}
+
+.eicon-docker:before {
+  content: "\e659";
+}
+
+.eicon-network:before {
+  content: "\ecc7";
+}
+
+.eicon-dashboard:before {
+  content: "\e664";
+}
+
+.main>.main-left>.nav>.slide>.menu[data-title=Docker]:before {
+    font-family: 'easeicon' !important;
+    content: "\e659";
+    color: #0c93f3 !important;
+}
+
+.main>.main-left>.nav>.slide>.menu[data-title=iStore]:before {
+    font-family: 'easeicon' !important;
+    content: "\e60f";
+    color: #8965e0 !important;
+}
+
+.main>.main-left>.nav>.slide>.menu[data-title=QuickStart]:before {
+    font-family: 'easeicon' !important;
+    content: "\e664";
+    color: #11cdef !important;
+}
+
+.main>.main-left>.nav>.slide>.menu[data-title=NetworkGuide]:before {
+    font-family: 'easeicon' !important;
+    content: "\ecc7";
+    color: #fb6340 !important;
+}