feat: Add cookie banner pattern

styles/index.scss

@@ -21,6 +21,7 @@
 @import './patterns/close-button';
 @import './patterns/color-swatch';
 @import './patterns/concave-corners';
+@import './patterns/cookie-banner';
 
 // Placeholders
 @import './placeholders/circle';

styles/patterns/_cookie-banner.scss

@@ -0,0 +1,17 @@
+.cookie-banner {
+    border: 1px solid rgba(0,0,0,.3);
+    border-radius: 0.25rem;
+
+    height: 100%;
+    width: 100%;
+
+    align-items: end;
+    display: flex;
+}
+
+.cookie-banner__content {    
+    border-top: 1px solid rgba(0,0,0,.3);
+    /* Take available width */
+    flex: 1;
+    padding: 0 0.5rem;
+}