💄 Add full cool-gray color scheme

assets/css/schemes/cool-gray.css

@@ -0,0 +1,37 @@
+/* Ocean scheme */
+:root {
+  --color-neutral: #fff;
+  /* Cool Gray */
+  --color-neutral-50: #f8fafc;
+  --color-neutral-100: #f1f5f9;
+  --color-neutral-200: #e2e8f0;
+  --color-neutral-300: #cbd5e1;
+  --color-neutral-400: #94a3b8;
+  --color-neutral-500: #64748b;
+  --color-neutral-600: #475569;
+  --color-neutral-700: #334155;
+  --color-neutral-800: #1e293b;
+  --color-neutral-900: #0f172a;
+  /* Cool Gray */
+  --color-primary-50: #f8fafc;
+  --color-primary-100: #f1f5f9;
+  --color-primary-200: #e2e8f0;
+  --color-primary-300: #cbd5e1;
+  --color-primary-400: #94a3b8;
+  --color-primary-500: #64748b;
+  --color-primary-600: #475569;
+  --color-primary-700: #334155;
+  --color-primary-800: #1e293b;
+  --color-primary-900: #0f172a;
+  /* Cool Gray */
+  --color-secondary-50: #f8fafc;
+  --color-secondary-100: #f1f5f9;
+  --color-secondary-200: #e2e8f0;
+  --color-secondary-300: #cbd5e1;
+  --color-secondary-400: #94a3b8;
+  --color-secondary-500: #64748b;
+  --color-secondary-600: #475569;
+  --color-secondary-700: #334155;
+  --color-secondary-800: #1e293b;
+  --color-secondary-900: #0f172a;
+}