add: favicon

public/static/favicon-dark.svg

@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64">
+  <text x="50%" y="50%" font-family="Georgia, serif" font-style="italic" font-size="56" fill="#f8f9fa" text-anchor="middle" dy=".35em">¶</text>
+</svg>

public/static/favicon-light.svg

@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64">
+  <text x="50%" y="50%" font-family="Georgia, serif" font-style="italic" font-size="56" fill="#212529" text-anchor="middle" dy=".35em">¶</text>
+</svg>

public/static/favicon.svg

@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink" width="1000" height="1000"><g clip-path="url(#SvgjsClipPath1009)"><rect width="1000" height="1000" fill="#ffffff"></rect><g transform="matrix(10.9375,0,0,10.9375,150,150)"><svg xmlns="http://www.w3.org/2000/svg" version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink" width="64" height="64"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64">
+  <text x="50%" y="50%" font-family="Georgia, serif" font-style="italic" font-size="56" fill="#212529" text-anchor="middle" dy=".35em">¶</text>
+</svg></svg></g></g><defs><clipPath id="SvgjsClipPath1009"><rect width="1000" height="1000" x="0" y="0" rx="350" ry="350"></rect></clipPath></defs></svg>

public/static/site.webmanifest

@@ -0,0 +1,21 @@
+{
+  "name": "ETPGRF",
+  "short_name": "ETPGRF",
+  "icons": [
+    {
+      "src": "/static/web-app-manifest-192x192.png",
+      "sizes": "192x192",
+      "type": "image/png",
+      "purpose": "maskable"
+    },
+    {
+      "src": "/static/web-app-manifest-512x512.png",
+      "sizes": "512x512",
+      "type": "image/png",
+      "purpose": "maskable"
+    }
+  ],
+  "theme_color": "#ffffff",
+  "background_color": "#ffffff",
+  "display": "standalone"
+}