Add English to Katakana and Romaji conversion support

package.json

@@ -22,6 +22,8 @@
     "cheerio": "^1.0.0",
     "ffmpeg-static": "^5.2.0",
     "hono": "^4.7.11",
+    "kuroshiro": "^1.2.0",
+    "kuroshiro-analyzer-mecab": "^1.0.1",
     "openai": "^4.104.0",
     "puppeteer": "^24.10.0",
     "react": "^19.1.0",
@@ -29,6 +31,7 @@
     "react-helmet-async": "^2.0.5",
     "react-router-dom": "^7.6.2",
     "rss-parser": "^3.13.0",
+    "wanakana": "^5.3.1",
     "xml2js": "^0.6.2"
   },
   "type": "module",