move app to app/ subdir

app/public/favicons/browserconfig.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<browserconfig>
+    <msapplication>
+        <tile>
+            <square150x150logo src="/mstile-150x150.png"/>
+            <TileColor>#da532c</TileColor>
+        </tile>
+    </msapplication>
+</browserconfig>

app/public/favicons/safari-pinned-tab.svg

@@ -0,0 +1,18 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20010904//EN"
+ "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
+<svg version="1.0" xmlns="http://www.w3.org/2000/svg"
+ width="550.000000pt" height="550.000000pt" viewBox="0 0 550.000000 550.000000"
+ preserveAspectRatio="xMidYMid meet">
+<metadata>
+Created by potrace 1.14, written by Peter Selinger 2001-2017
+</metadata>
+<g transform="translate(0.000000,550.000000) scale(0.100000,-0.100000)"
+fill="#000000" stroke="none">
+<path d="M813 5478 c-18 -13 -37 -36 -43 -52 -6 -19 -10 -236 -10 -603 0 -638
+-1 -626 65 -657 25 -12 67 -16 179 -16 l146 0 0 -2032 0 -2032 23 -33 c12 -18
+35 -37 51 -43 19 -7 539 -10 1528 -10 1663 0 1549 -5 1582 65 14 30 16 235 16
+2059 l0 2026 156 0 156 0 39 39 39 39 0 587 c0 651 1 638 -65 669 -30 14 -223
+16 -1932 16 l-1898 0 -32 -22z"/>
+</g>
+</svg>

app/public/favicons/site.webmanifest

@@ -0,0 +1,19 @@
+{
+  "name": "",
+  "short_name": "",
+  "icons": [
+    {
+      "src": "/android-chrome-192x192.png",
+      "sizes": "192x192",
+      "type": "image/png"
+    },
+    {
+      "src": "/android-chrome-512x512.png",
+      "sizes": "512x512",
+      "type": "image/png"
+    }
+  ],
+  "theme_color": "#ffffff",
+  "background_color": "#ffffff",
+  "display": "standalone"
+}