Work so far in refactoring front-end

- Mainly getting rid of existing css/js
- No longer linking to stuff like a11y.css
- Creating a FrontPageController to better deal with the home page

public/assets/css-orig/colours/base16-rebecca.css

@@ -0,0 +1,19 @@
+/* base16-rebecca.css */
+:root {
+    --black: #292a44; /* base00*/
+    --red: #a0a0c5; /* base08 */
+    --green: #6dfedf; /* base0B */
+    --yellow: #ae81ff; /* base0A */
+    --blue: #2de0a7; /* base0D */
+    --magenta: #7aa5ff; /* base0E */
+    --cyan: #8eaee0; /* base0C */
+    --white: #f1eff8; /* base05 */
+    --brblack: #666699; /* base03 */
+    --brred: #a0a0c5; /* base08 */
+    --brgreen: #6dfedf; /* base0B */
+    --bryellow: #ae81ff; /* base0A */
+    --brblue: #2de0a7; /* base0D */
+    --brmagenta: #7aa5ff; /* base0E */
+    --brcyan: #8eaee0; /* base0C */
+    --brwhite: #53495d; /* base07 */
+}