chore: Use markdown-it instead of marked (#6123)

* chore: Use markdown-it instead of marked

* Adds styling for markdown rendered content

* fixes codeclimate issue

* Fixes blockquote styles for widget in darkmode

* fix: issue block quote color issue in light mode

* fix: issue block quote color issue in light mode

* Fixes blockquote color in dark mode

* Remove usage of dark mode mixin in user bubble

* chore: code clean up

---------

Co-authored-by: Nithin David Thomas <1277421+nithindavid@users.noreply.github.com>
Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>
Co-authored-by: iamsivin <iamsivin@gmail.com>

package.json

@@ -43,9 +43,10 @@
     "highlight.js": "~10.4.1",
     "ionicons": "~2.0.1",
     "js-cookie": "^2.2.1",
+    "markdown-it": "^13.0.1",
+    "markdown-it-link-attributes": "^4.0.1",
     "logrocket": "^3.0.1",
     "logrocket-vuex": "^0.0.3",
-    "marked": "4.0.10",
     "md5": "^2.3.0",
     "ninja-keys": "^1.1.9",
     "opus-recorder": "^8.0.5",