Merge pull request 'enablePWA' (#83) from enablePWA into master

Reviewed-on: oliver/simcompanies-dashboard#83
Reviewed-by: Oliver Boehlk <ollitobiasb@gmail.com>

frontend/public/index.html

@@ -5,6 +5,8 @@
     <meta charset="utf-8" />
     <link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
     <link rel="apple-touch-icon" href="/apple-icon-180x180.png">
+    <link rel="icon" type="image/png" sizes="192x192" href="/android-icon-192x192.png">
+    <link rel="icon" type="image/png" sizes="512x512" href="/android-chrome-512x512.png">
     <meta name="theme-color" content="#0B1929" />
     <meta name="viewport" content="minimum-scale=1, initial-scale=1, width=device-width, shrink-to-fit=no" />
     <meta name="description" content="This is the dashboard for sim companies ">

frontend/public/manifest.json

@@ -14,12 +14,12 @@
         },
         {
             "src": "/android-chrome-512x512.png",
-            "sizes": "192x192",
+            "sizes": "512x512",
             "type": "image/png",
             "density": "4.0"
         }
     ],
-    "start_url": "https://projects.oliver.boehlk.io/simcompanies",
+    "start_url": ".",
     "display": "standalone",
     "theme_color": "#0B1929",
     "background_color": "#0B1929"