chore: put list into a separate file

src/scss/_mixins.scss

@@ -6,3 +6,4 @@
 @import 'mixins/borders';
 @import 'mixins/shape';
 @import 'mixins/panels';
+@import 'mixins/li';

src/scss/mixins/_borders.scss

@@ -13,9 +13,3 @@
 @mixin border-radius($border-radius) {
   border-radius: $border-radius $border-radius $border-radius $border-radius;
 }
-
-@mixin li-no-margin() {
-    li {
-        margin: 0;
-    }
-}

src/scss/mixins/_li.scss

@@ -0,0 +1,13 @@
+@mixin li-no-margin() {
+    li {
+        margin: 0;
+    }
+}
+
+@mixin li-flex() {
+  display:flex;
+  flex-direction: row;
+  align-items: flex-start;
+  @include li-no-margin();
+  list-style: none;
+}