feat(easel): update navbar

static/src/main.scss

@@ -1,8 +1,4 @@
-@use "flag-icons/sass/flag-icons" with (
-  $flag-icons-path: "flag-icons/flags",
-  $flag-icons-included-countries: ("gb", "ru", "by", "ua", "kz")
-);
-
+@import "./lib/flag-icons";
 @import "./lib/bootstrap";
 @import "./lib/bootstrap-icons";
 
@@ -21,3 +17,26 @@
   height: 2rem;
   background-size: contain;
 }
+
+.app-header {
+  display: flex;
+  flex-direction: row;
+
+  > .link-list {
+    display: flex;
+    flex-direction: row;
+    gap: 1rem;
+
+    app-link {
+      display: flex;
+      align-items: center;
+
+      &:not(:last-child)::after {
+        margin-left: 1rem;
+        content: "|";
+      }
+    }
+  }
+}
+
+@import "./mobile";