Implement static pages!

Cargo.lock

Cargo.toml

src/main.rs

static/404.png

static/404.webp

static/AddToHomescreen.png

static/AddToHomescreen.webp

static/android-chrome-192x192.png

static/android-chrome-512x512.png

static/apple-touch-icon.png

static/favicon-16x16.png

static/favicon-32x32.png

static/favicon.ico

static/favicon128.webp

static/favicon16.webp

static/favicon180.webp

static/favicon256.webp

static/favicon32.webp

static/favicon512.png

static/favicon64.webp