✨ Register: working order sum logic

💄 Add more icons and load them as react components

frontend/src/components/Header.module.css

@@ -0,0 +1,13 @@
+.logo {
+  display: inline-block;
+  width: 24px;
+  height: 24px;
+  margin: 0 8px;
+  position: relative;
+  top: -1px
+}
+
+.navIcon {
+  position: relative;
+  top: -2px;
+}