No More Collab. Fixes #449

* Fully removes real-time collaboration
* URL scheme rewrite

plugs/core/navigate.ts

@@ -77,7 +77,7 @@ async function actionClickOrActionEnter(
         return editor.flashNotification("Empty link, ignoring", "error");
       }
       if (url.indexOf("://") === -1 && !url.startsWith("mailto:")) {
-        return editor.openUrl(`/.fs/${decodeURI(url)}`);
+        return editor.openUrl(decodeURI(url));
       } else {
         await editor.openUrl(url);
       }

plugs/core/page.ts

@@ -23,6 +23,7 @@ import {
 import { applyQuery, removeQueries } from "$sb/lib/query.ts";
 import { extractFrontmatter } from "$sb/lib/frontmatter.ts";
 import { invokeFunction } from "$sb/silverbullet-syscall/system.ts";
+import { isValidPageName } from "$sb/lib/page.ts";
 
 // Key space:
 //   pl:toPage:pos => pageName
@@ -136,6 +137,13 @@ export async function renamePage(cmdDef: any) {
     return;
   }
 
+  if (!isValidPageName(newName)) {
+    return editor.flashNotification(
+      "Invalid page name: page names cannot end with a file extension",
+      "error",
+    );
+  }
+
   console.log("New name", newName);
 
   if (newName.trim() === oldName.trim()) {