rename websocket directory to websocket-chat

Web/WebSocket/websocket-chat/apps/server/assets/favicon/about.txt

@@ -0,0 +1,6 @@
+This favicon was generated using the following graphics from Twitter Twemoji:
+
+- Graphics Title: 1f916.svg
+- Graphics Author: Copyright 2020 Twitter, Inc and other contributors (https://github.com/twitter/twemoji)
+- Graphics Source: https://github.com/twitter/twemoji/blob/master/assets/svg/1f916.svg
+- Graphics License: CC-BY 4.0 (https://creativecommons.org/licenses/by/4.0/)

Web/WebSocket/websocket-chat/apps/server/assets/favicon/site.webmanifest

@@ -0,0 +1,11 @@
+{
+  "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"
+}