feat: anitize descriptions on help page

allow to customize description content by sanitizing it's content

closes #102

package.json

@@ -43,6 +43,7 @@
     "react-icons": "^4.2.0",
     "react-router-dom": "^5.3.0",
     "react-scripts": "4.0.3",
+    "sanitize-html": "^2.5.2",
     "sass": "^1.42.1",
     "typescript": "4.3.5",
     "walk": "^2.3.15"
@@ -52,6 +53,7 @@
     "@testing-library/jest-dom": "^5.11.4",
     "@testing-library/react": "^11.1.0",
     "@testing-library/user-event": "^12.1.10",
+    "@types/sanitize-html": "^2.5.0",
     "husky": "^7.0.2",
     "lint-staged": "^11.1.2",
     "prettier": "^2.4.1"