fix: Code point changes with nerdfont v3.0.0 breaking changes

Fixes needed in the repository using tools introduced in the nerdfont v3.0.2 release notes
https://github.com/ryanoasis/nerd-fonts/releases/tag/v3.0.2
https://github.com/loichyan/nerdfix

assets/json/extension.json

@@ -36,13 +36,13 @@
   "cpio": "",
   "cpp": "",
   "cr": "",
-  "cs": "",
+  "cs": "󰌛",
   "csh": "",
   "cshtml": "",
-  "csproj": "",
+  "csproj": "󰌛",
   "css": "",
   "csv": "",
-  "csx": "",
+  "csx": "󰌛",
   "cts": "",
   "cu": "",
   "cuh": "",
@@ -139,7 +139,7 @@
   "leex": "",
   "less": "",
   "lhs": "",
-  "license": "",
+  "license": "󰈙",
   "localized": "",
   "lock": "",
   "log": "",
@@ -169,7 +169,7 @@
   "mts": "",
   "mustache": "",
   "nix": "",
-  "node": "",
+  "node": "󰎙",
   "npmignore": "",
   "odp": "",
   "ods": "",
@@ -218,7 +218,7 @@
   "rspec_parallel": "",
   "rspec_status": "",
   "rss": "",
-  "rtf": "",
+  "rtf": "󰈙",
   "ru": "",
   "rubydoc": "",
   "sass": "",