fix: Fix linter issues (#13)

Author: AKharytonchyk

package.json

@@ -46,7 +46,8 @@
     "dev": "vite",
     "build": "tsc -b && vite build",
     "lint": "eslint .",
-    "preview": "vite preview"
+    "preview": "vite preview",
+    "lint:fix": "eslint --fix ."
   },
   "browserslist": {
     "production": [

src/components/Cards/RepositoryCard.tsx

@@ -1,12 +1,10 @@
 import {
   Card,
   CardContent,
-  Chip,
   Box,
   Typography,
   Tooltip,
   Link,
-  CircularProgress,
   Stack,
 } from "@mui/material";
 import { PullRequest } from "../../models/PullRequest";