Adicionar publicação automática de projetos

- Botão publicar (rocket) nas pastas raiz do explorador
- Cria repositório no Gitea, faz git init + push
- Atualiza Caddyfile com subdomínio e file_server
- Adiciona volume ao docker-compose e reinicia Caddy
- Botões lado a lado (download, publicar, excluir) no file explorer
- Dockerfile: adiciona git e docker-cli

public/css/styles.css

@@ -5292,10 +5292,24 @@ body, .sidebar, .header, .card, .modal-content, .input, .select, textarea, .metr
 
 .files-th-actions,
 .files-td-actions {
-  width: 50px;
-  text-align: center;
+  width: 120px;
+  text-align: right;
 }
 
+.files-td-actions {
+  display: flex;
+  gap: 4px;
+  justify-content: flex-end;
+  align-items: center;
+}
+
+.btn-publish { color: var(--success); }
+.btn-publish:hover { background: rgba(16, 185, 129, 0.1); }
+
+.publish-result { display: flex; flex-direction: column; gap: 12px; padding: 8px 0; }
+.publish-result-item { font-size: 14px; }
+.publish-result-item a { color: var(--accent); text-decoration: underline; }
+
 .files-entry-link {
   display: inline-flex;
   align-items: center;