move javascript files to js directory

static/js/redirect.js

@@ -0,0 +1,36 @@
+// @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt MIT
+
+// Client-side redirects for fragments (anchors)
+//
+// It should be possible to do this with server-side redirects, but it was never implemented or
+// standardized. For reference:
+//
+// https://www.w3.org/People/Bos/redirect
+// https://www.w3.org/Protocols/HTTP/Fragment/draft-bos-http-redirect-00.txt
+
+const redirects = new Map([
+    ["/#device-support", "/faq#device-support"],
+    ["/#roadmap", "/faq#roadmap"],
+    ["/#copyright-and-licensing", "/faq#copyright-and-licensing"],
+    ["/usage#default-connections", "/faq#default-connections"],
+    ["/releases#marlin-stable", "/faq#legacy-devices"],
+    ["/releases#sailfish-stable", "/faq#legacy-devices"],
+    ["/releases#marlin-beta", "/faq#legacy-devices"],
+    ["/releases#sailfish-beta", "/faq#legacy-devices"],
+    ["/faq#dns", "/faq#custom-dns"],
+    ["/build#upgrading-to-android-10", "/build#generating-release-signing-keys"],
+]);
+
+function handle_hash() {
+    if (window.location.hash) {
+        const redirect = redirects.get(window.location.pathname + window.location.hash);
+        if (redirect) {
+            window.location.replace(redirect);
+        }
+    }
+}
+
+handle_hash();
+addEventListener("hashchange", handle_hash, false);
+
+// @license-end