feat: Make game sub

- Move game and intro to own collection
- Add index
- Add brand placeholder to shortcodes
- Add variant of placeholder to menu

source/style/modules/_game.scss

@@ -1,3 +1,36 @@
+@use "../hippie-style/hippie";
+
 .body_game {
+	@extend .h_full_view;
 	background-color: hotpink;
+
+	footer {
+		@extend .pos_abs;
+		@extend .pin_bottom;
+		@extend .width_full;
+
+		.brand {
+			display: flex;
+			flex-flow: row nowrap;
+			align-items: center;
+			justify-content: flex-end;
+			gap: hippie.$space_half hippie.$space_basic;
+
+			margin: hippie.$space_basic hippie.$space_double;
+
+			& > svg {
+				height: 32px;
+				width: 32px;
+
+				rect, circle, path {
+					stroke: black !important;
+				}
+			}
+
+			p {
+
+			}
+		;
+		}
+	}
 }