feat: Secure SMS verification with Redis (Predis)

- Added Predis library for Redis connection (no PHP extension required)
- Server-side SMS code generation and storage in Redis
- Rate limiting and brute-force protection
- Integration with n8n webhook for SMS sending
- Environment variables moved to .env file
- Fixed policy verification endpoint
- Added file-based fallback if Redis unavailable

fonts/Roboto/stylesheet.css

@@ -0,0 +1,133 @@
+/* This stylesheet generated by Transfonter (https://transfonter.org) on February 25, 2018 4:00 PM */
+
+@font-face {
+    font-family: 'Roboto';
+    src: url('Roboto-MediumItalic.eot');
+    src: local('Roboto Medium Italic'), local('Roboto-MediumItalic'),
+        url('Roboto-MediumItalic.eot?#iefix') format('embedded-opentype'),
+        url('Roboto-MediumItalic.woff') format('woff'),
+        url('Roboto-MediumItalic.ttf') format('truetype');
+    font-weight: 500;
+    font-style: italic;
+}
+
+@font-face {
+    font-family: 'Roboto';
+    src: url('Roboto-Italic.eot');
+    src: local('Roboto Italic'), local('Roboto-Italic'),
+        url('Roboto-Italic.eot?#iefix') format('embedded-opentype'),
+        url('Roboto-Italic.woff') format('woff'),
+        url('Roboto-Italic.ttf') format('truetype');
+    font-weight: normal;
+    font-style: italic;
+}
+
+@font-face {
+    font-family: 'Roboto';
+    src: url('Roboto-Bold.eot');
+    src: local('Roboto Bold'), local('Roboto-Bold'),
+        url('Roboto-Bold.eot?#iefix') format('embedded-opentype'),
+        url('Roboto-Bold.woff') format('woff'),
+        url('Roboto-Bold.ttf') format('truetype');
+    font-weight: bold;
+    font-style: normal;
+}
+
+@font-face {
+    font-family: 'Roboto';
+    src: url('Roboto-Regular.eot');
+    src: local('Roboto'), local('Roboto-Regular'),
+        url('Roboto-Regular.eot?#iefix') format('embedded-opentype'),
+        url('Roboto-Regular.woff') format('woff'),
+        url('Roboto-Regular.ttf') format('truetype');
+    font-weight: normal;
+    font-style: normal;
+}
+
+@font-face {
+    font-family: 'Roboto';
+    src: url('Roboto-Medium.eot');
+    src: local('Roboto Medium'), local('Roboto-Medium'),
+        url('Roboto-Medium.eot?#iefix') format('embedded-opentype'),
+        url('Roboto-Medium.woff') format('woff'),
+        url('Roboto-Medium.ttf') format('truetype');
+    font-weight: 500;
+    font-style: normal;
+}
+
+@font-face {
+    font-family: 'Roboto';
+    src: url('Roboto-BoldItalic.eot');
+    src: local('Roboto Bold Italic'), local('Roboto-BoldItalic'),
+        url('Roboto-BoldItalic.eot?#iefix') format('embedded-opentype'),
+        url('Roboto-BoldItalic.woff') format('woff'),
+        url('Roboto-BoldItalic.ttf') format('truetype');
+    font-weight: bold;
+    font-style: italic;
+}
+
+@font-face {
+    font-family: 'Roboto';
+    src: url('Roboto-ThinItalic.eot');
+    src: local('Roboto Thin Italic'), local('Roboto-ThinItalic'),
+        url('Roboto-ThinItalic.eot?#iefix') format('embedded-opentype'),
+        url('Roboto-ThinItalic.woff') format('woff'),
+        url('Roboto-ThinItalic.ttf') format('truetype');
+    font-weight: 100;
+    font-style: italic;
+}
+
+@font-face {
+    font-family: 'Roboto';
+    src: url('Roboto-Black.eot');
+    src: local('Roboto Black'), local('Roboto-Black'),
+        url('Roboto-Black.eot?#iefix') format('embedded-opentype'),
+        url('Roboto-Black.woff') format('woff'),
+        url('Roboto-Black.ttf') format('truetype');
+    font-weight: 900;
+    font-style: normal;
+}
+
+@font-face {
+    font-family: 'Roboto';
+    src: url('Roboto-Light.eot');
+    src: local('Roboto Light'), local('Roboto-Light'),
+        url('Roboto-Light.eot?#iefix') format('embedded-opentype'),
+        url('Roboto-Light.woff') format('woff'),
+        url('Roboto-Light.ttf') format('truetype');
+    font-weight: 300;
+    font-style: normal;
+}
+
+@font-face {
+    font-family: 'Roboto';
+    src: url('Roboto-LightItalic.eot');
+    src: local('Roboto Light Italic'), local('Roboto-LightItalic'),
+        url('Roboto-LightItalic.eot?#iefix') format('embedded-opentype'),
+        url('Roboto-LightItalic.woff') format('woff'),
+        url('Roboto-LightItalic.ttf') format('truetype');
+    font-weight: 300;
+    font-style: italic;
+}
+
+@font-face {
+    font-family: 'Roboto';
+    src: url('Roboto-BlackItalic.eot');
+    src: local('Roboto Black Italic'), local('Roboto-BlackItalic'),
+        url('Roboto-BlackItalic.eot?#iefix') format('embedded-opentype'),
+        url('Roboto-BlackItalic.woff') format('woff'),
+        url('Roboto-BlackItalic.ttf') format('truetype');
+    font-weight: 900;
+    font-style: italic;
+}
+
+@font-face {
+    font-family: 'Roboto';
+    src: url('Roboto-Thin.eot');
+    src: local('Roboto Thin'), local('Roboto-Thin'),
+        url('Roboto-Thin.eot?#iefix') format('embedded-opentype'),
+        url('Roboto-Thin.woff') format('woff'),
+        url('Roboto-Thin.ttf') format('truetype');
+    font-weight: 100;
+    font-style: normal;
+}