style(theme): Added new theme Bear (anuraghazra#278)

Bear is one of the most downloaded color themes on VSCode. So I created a theme based on that.

Co-authored-by: Anurag Hazra <[email protected]>

Author: RahulMahesh62

themes/index.js

@@ -125,6 +125,12 @@ const themes = {
     text_color: "ffd95b",
     bg_color: "000000",
   },
+  "bear": {
+    title_color: "e03c8a",
+    icon_color: "00AEFF",
+    text_color: "bcb28d",
+    bg_color: "1f2023",
+  },
   "solarized-dark": {
     title_color: "268bd2",
     icon_color: "b58900",