refactor: replace custom CRM with Monica fork

public/manifest.webmanifest

@@ -0,0 +1,29 @@
+{
+  "name": "Monica",
+  "short_name": "Monica",
+  "start_url": ".",
+  "display": "standalone",
+  "background_color": "#fff",
+  "description": "Intuitive personal relationships management.",
+  "icons": [
+    {
+    "src": "/img/monica_140.svg",
+    "sizes": "140x140",
+    "type": "image/svg+xml"
+    },
+    {
+      "src": "/img/monica_192.svg",
+      "sizes": "192x192",
+      "type": "image/svg+xml"
+    },
+    {
+      "src": "/img/monica_512.svg",
+      "sizes": "512x512",
+      "type": "image/svg+xml"
+    }
+  ],
+  "orientation": "portrait-primary",
+  "related_applications": [{
+    "platform": "web"
+  }]
+}