Add self-host banner and rewrite README for self-hosting focus

i18n.js

@@ -41,6 +41,7 @@ var I18n = (function () {
       pdf_scan_qr: 'Scan QR code to pay',
       pdf_footer: 'Created with xmrpay.link',
       qr_hint: 'Click QR to save',
+      self_host_banner: 'This is a public demo. For real payments, <a href="https://github.com/schmidt1024/xmrpay#self-host-in-60-seconds">host your own instance</a> — it takes 60 seconds.',
       footer: footer,
       aria_currency: 'Currency',
       label_share_link: 'Shareable link',
@@ -92,6 +93,7 @@ var I18n = (function () {
       pdf_date: 'Datum',
       pdf_scan_qr: 'QR-Code scannen zum Bezahlen',
       pdf_footer: 'Erstellt mit xmrpay.link',
+      self_host_banner: 'Dies ist eine öffentliche Demo. Für echte Zahlungen <a href="https://github.com/schmidt1024/xmrpay#self-host-in-60-seconds">eigene Instanz hosten</a> — dauert 60 Sekunden.',
       qr_hint: 'Klick auf QR zum Speichern',
       footer: footer,
       aria_currency: 'Währung',
@@ -144,6 +146,7 @@ var I18n = (function () {
       pdf_date: 'Date',
       pdf_scan_qr: 'Scanner le QR code pour payer',
       pdf_footer: 'Créé avec xmrpay.link',
+      self_host_banner: 'Ceci est une démo publique. Pour de vrais paiements, <a href="https://github.com/schmidt1024/xmrpay#self-host-in-60-seconds">hébergez votre propre instance</a> — ça prend 60 secondes.',
       qr_hint: 'Cliquez sur le QR pour enregistrer',
       footer: footer,
       aria_currency: 'Devise',
@@ -196,6 +199,7 @@ var I18n = (function () {
       pdf_date: 'Data',
       pdf_scan_qr: 'Scansiona il QR per pagare',
       pdf_footer: 'Creato con xmrpay.link',
+      self_host_banner: 'Questa è una demo pubblica. Per pagamenti reali, <a href="https://github.com/schmidt1024/xmrpay#self-host-in-60-seconds">ospita la tua istanza</a> — ci vogliono 60 secondi.',
       qr_hint: 'Clicca sul QR per salvare',
       footer: footer,
       aria_currency: 'Valuta',
@@ -248,6 +252,7 @@ var I18n = (function () {
       pdf_date: 'Fecha',
       pdf_scan_qr: 'Escanear QR para pagar',
       pdf_footer: 'Creado con xmrpay.link',
+      self_host_banner: 'Esta es una demo pública. Para pagos reales, <a href="https://github.com/schmidt1024/xmrpay#self-host-in-60-seconds">aloja tu propia instancia</a> — toma 60 segundos.',
       qr_hint: 'Clic en QR para guardar',
       footer: footer,
       aria_currency: 'Moneda',
@@ -300,6 +305,7 @@ var I18n = (function () {
       pdf_date: 'Data',
       pdf_scan_qr: 'Digitalizar QR para pagar',
       pdf_footer: 'Criado com xmrpay.link',
+      self_host_banner: 'Esta é uma demo pública. Para pagamentos reais, <a href="https://github.com/schmidt1024/xmrpay#self-host-in-60-seconds">hospede sua própria instância</a> — leva 60 segundos.',
       qr_hint: 'Clique no QR para guardar',
       footer: footer,
       aria_currency: 'Moeda',
@@ -352,6 +358,7 @@ var I18n = (function () {
       pdf_date: 'Дата',
       pdf_scan_qr: 'Сканируйте QR для оплаты',
       pdf_footer: 'Создано с помощью xmrpay.link',
+      self_host_banner: 'Это публичная демо-версия. Для реальных платежей <a href="https://github.com/schmidt1024/xmrpay#self-host-in-60-seconds">разверните свой экземпляр</a> — это займёт 60 секунд.',
       qr_hint: 'Нажмите на QR для сохранения',
       footer: footer,
       aria_currency: 'Валюта',