Add package dompurify to sanitize html in notice view content

Author: gauransh7

omniport/package.json

@@ -28,6 +28,7 @@
     "@fullcalendar/timegrid": "^5.1.0",
     "@tinymce/tinymce-react": "^2.6.1",
     "axios": "^0.18.0",
+    "dompurify": "^2.3.1",
     "firebase": "^6.6.2",
     "immutable": "^3.8.1",
     "moment": "^2.24.0",

omniport/yarn.lock

@@ -2832,6 +2832,11 @@ [email protected]:
   dependencies:
     domelementtype "1"
 
+dompurify@^2.3.1:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-2.3.1.tgz#a47059ca21fd1212d3c8f71fdea6943b8bfbdf6a"
+  integrity sha512-xGWt+NHAQS+4tpgbOAI08yxW0Pr256Gu/FNE2frZVTbgrBUn8M7tz7/ktS/LZ2MHeGqz6topj0/xY+y8R5FBFw==
+
 [email protected]:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/domutils/-/domutils-1.1.6.tgz#bddc3de099b9a2efacc51c623f28f416ecc57485"