Change all SETTINGS with page references to allow "[[page]]" notation

plug-api/lib/resolve.test.ts

@@ -1,4 +1,5 @@
 import {
+  cleanPageRef,
   federatedPathToUrl,
   resolvePath,
   rewritePageRefs,
@@ -38,6 +39,9 @@ Deno.test("Test URL resolver", () => {
     federatedPathToUrl("!silverbullet.md/index"),
     "https://silverbullet.md/index",
   );
+
+  assertEquals(cleanPageRef("hello"), "hello");
+  assertEquals(cleanPageRef("[[hello]]"), "hello");
 });
 
 Deno.test("Test rewritePageRefs", () => {

plug-api/lib/resolve.ts

@@ -66,3 +66,11 @@ export function rewritePageRefs(tree: ParseTree, containerPageName: string) {
     return false;
   });
 }
+
+export function cleanPageRef(pageRef: string) {
+  if (pageRef.startsWith("[[") && pageRef.endsWith("]]")) {
+    return pageRef.slice(2, -2);
+  } else {
+    return pageRef;
+  }
+}