Reapply "Add missing admin action files and navigation links"

This reverts commit 4d515bc400.

src/components/admin/rich-text.tsx

@@ -5,8 +5,7 @@ import { useEffect, useId, useRef, useState } from "react";
 // TinyMCE community build, loaded from the public jsDelivr CDN. `no-api-key`
 // is the documented sentinel for the free self-hosted/CDN build and silences
 // the "register for an API key" notification.
-const TINYMCE_SRC =
-  "https://cdn.jsdelivr.net/npm/tinymce@6/tinymce.min.js";
+const TINYMCE_SRC = "https://cdn.jsdelivr.net/npm/tinymce@6/tinymce.min.js";
 
 type TinyMCEGlobal = {
   init: (opts: Record<string, unknown>) => Promise<unknown>;
@@ -82,8 +81,7 @@ export function RichText({
           menubar: false,
           height: Math.max(rows * 22, 240),
           plugins: "link lists code autolink",
-          toolbar:
-            "undo redo | bold italic underline | bullist numlist | link | removeformat | code",
+          toolbar: "undo redo | bold italic underline | bullist numlist | link | removeformat | code",
           branding: false,
           promotion: false,
           license_key: "gpl",
@@ -91,10 +89,7 @@ export function RichText({
           content_style: "body{font-family:inherit;font-size:14px}",
           // Mirror typed HTML back into the underlying textarea so the form
           // submit (server action) always sees the current value.
-          setup: (editor: {
-            on: (ev: string, cb: () => void) => void;
-            getContent: () => string;
-          }) => {
+          setup: (editor: { on: (ev: string, cb: () => void) => void; getContent: () => string }) => {
             const sync = () => {
               if (textareaRef.current) textareaRef.current.value = editor.getContent();
             };