Add archive gallery.

assets/scss/main.scss

@@ -0,0 +1,14 @@
+$primary: #005adb;
+$secondary: #ef6000;
+$success: #198754;
+$danger: #dc3545;
+$warning: #ffc107;
+$info: #00a194;
+$light: #f9f9f9;
+$dark: #535455;
+
+$link-decoration: none;
+$link-color: $secondary;
+
+@import "hugo_bootstrap_theme";
+@import "hugo_cookie_consent";