feat: user issue notifications (#1523)

* feat: added new issue subscriber table

* dev: notification model

* feat: added CRUD operation for issue subscriber

* Revert "feat: added CRUD operation for issue subscriber"

This reverts commit b22e0625768f0b096b5898936ace76d6882b0736.

* feat: added CRUD operation for issue subscriber

* dev: notification models and operations

* dev: remove delete endpoint response data

* dev: notification endpoints and fix bg worker for saving notifications

* feat: added list and unsubscribe function in issue subscriber

* dev: filter by snoozed and response update for list and permissions

* dev: update issue notifications

* dev: notification  segregation

* dev: update notifications

* dev: notification filtering

* dev: add issue name in notifications

* dev: notification new endpoints

* fix: pushing local settings

* feat: notification workflow setup and made basic UI

* style: improved UX with toast alerts and other interactions

refactor: changed classnames according to new theme structure, changed all icons to material icons

* feat: showing un-read notification count

* feat: not showing 'subscribe' button on issue created by user & assigned to user

not showing 'Create by you' for view & guest of the workspace

---------

Co-authored-by: NarayanBavisetti <narayan3119@gmail.com>
Co-authored-by: pablohashescobar <nikhilschacko@gmail.com>

apps/app/components/icons/single-comment-icon.tsx

@@ -0,0 +1,24 @@
+import React from "react";
+
+import type { Props } from "./types";
+
+export const SingleCommentCard: React.FC<Props> = ({
+  width = "24",
+  height = "24",
+  className,
+  color,
+}) => (
+  <svg
+    width={width}
+    height={height}
+    className={className}
+    viewBox="0 0 24 24"
+    fill="none"
+    xmlns="http://www.w3.org/2000/svg"
+  >
+    <path
+      d="M3.66663 20.3346V4.91797C3.66663 4.58464 3.79163 4.29297 4.04163 4.04297C4.29163 3.79297 4.58329 3.66797 4.91663 3.66797H19.0833C19.4166 3.66797 19.7083 3.79297 19.9583 4.04297C20.2083 4.29297 20.3333 4.58464 20.3333 4.91797V15.7513C20.3333 16.0846 20.2083 16.3763 19.9583 16.6263C19.7083 16.8763 19.4166 17.0013 19.0833 17.0013H6.99996L3.66663 20.3346ZM6.45829 15.7513H19.0833V4.91797H4.91663V17.418L6.45829 15.7513Z"
+      fill={color ? color : "currentColor"}
+    />
+  </svg>
+);