rename some files and add nip 94 widget

src/utils/shortenKey.ts

@@ -0,0 +1,20 @@
+import { nip19 } from 'nostr-tools';
+
+export function shortenKey(pubkey: string) {
+  const npub = nip19.npubEncode(pubkey);
+  return npub.substring(0, 16).concat('...');
+}
+
+export function displayNpub(pubkey: string, len: number, separator?: string) {
+  const npub = nip19.npubEncode(pubkey) as string;
+  if (npub.length <= len) return npub;
+
+  separator = separator || ' ... ';
+
+  const sepLen = separator.length,
+    charsToShow = len - sepLen,
+    frontChars = Math.ceil(charsToShow / 2),
+    backChars = Math.floor(charsToShow / 2);
+
+  return npub.substr(0, frontChars) + separator + npub.substr(npub.length - backChars);
+}