feat: token field ON by default in FREE, donate links everywhere

- server.js: ALLOW_COMMUNITY_GITHUB_ACTIVATION defaults to true for
  community edition (disable explicitly with =0/false/no/off)
- app.js: updated hint text when field is disabled by owner
- public/index.html: donate links block on login screen
- public/styles.css: .gate-donate styles
- landing: proj-support-strip with donate links
- README: unified "Поддержка проекта" block + blockquote at top
- .github/FUNDING.yml: Boosty + Ozon + Telegram
- scripts/install.sh: updated comment header
- version bumped to 1.2.28

Co-authored-by: Cursor <cursoragent@cursor.com>

landing/index.html

@@ -21,6 +21,19 @@
   </div>
 </header>
 
+<div class="proj-support-strip" role="navigation" aria-label="Поддержка и донат — проект панелей">
+  <div class="proj-support-inner">
+    <span class="proj-support-lead">Панели Amnezia Admin · поддержать проект:</span>
+    <a href="https://github.com/andrey271192/amnezia_web" target="_blank" rel="noopener noreferrer">⭐ GitHub</a>
+    <span class="proj-support-dot" aria-hidden="true">·</span>
+    <a href="https://boosty.to/andrey27/donate" target="_blank" rel="noopener noreferrer">💖 Boosty</a>
+    <span class="proj-support-dot" aria-hidden="true">·</span>
+    <a href="https://finance.ozon.ru/apps/sbp/ozonbankpay/019dc200-2a5d-7931-a619-782d285f6798" target="_blank" rel="noopener noreferrer">💳 Ozon&nbsp;СБП</a>
+    <span class="proj-support-dot" aria-hidden="true">·</span>
+    <a href="https://t.me/lot_andrey" target="_blank" rel="noopener noreferrer">✉️ Telegram&nbsp;@lot_andrey</a>
+  </div>
+</div>
+
 <section class="hero">
   <div class="hero-badge">Частный сервер</div>
   <h1>Подключение к VPN</h1>

landing/styles.css

@@ -839,6 +839,45 @@ body {
   text-align: right;
 }
 
+.proj-support-strip {
+  border-bottom: 1px solid var(--border);
+  background: linear-gradient(90deg, rgba(29, 158, 117, 0.12), rgba(55, 138, 221, 0.08));
+  padding: 0.4rem 1rem;
+}
+
+.proj-support-inner {
+  max-width: 900px;
+  margin: 0 auto;
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center;
+  justify-content: center;
+  gap: 0.35rem 0.65rem;
+  font-size: 12px;
+  color: var(--muted);
+}
+
+.proj-support-lead {
+  margin-right: 0.25rem;
+  opacity: 0.95;
+}
+
+.proj-support-dot {
+  opacity: 0.35;
+  user-select: none;
+}
+
+.proj-support-inner a {
+  color: #5fd8b0;
+  text-decoration: none;
+  white-space: nowrap;
+  font-weight: 600;
+}
+
+.proj-support-inner a:hover {
+  text-decoration: underline;
+}
+
 .site-footer {
   border-top: 1px solid var(--border);
   padding: 1.75rem 1.5rem 2rem;