feat: Add CSV attachment viewer (#1154)

client/package.json

@@ -84,6 +84,7 @@
     "@gravity-ui/markdown-editor": "^15.11.0",
     "@gravity-ui/uikit": "^7.11.0",
     "@juggle/resize-observer": "^3.4.0",
+    "@types/papaparse": "^5.3.16",
     "@vitejs/plugin-react": "^4.4.1",
     "browserslist-to-esbuild": "^2.1.1",
     "classnames": "^2.5.1",
@@ -125,6 +126,7 @@
     "lowlight": "^3.3.0",
     "markdown-it": "^13.0.2",
     "nanoid": "^5.1.5",
+    "papaparse": "^5.5.3",
     "patch-package": "^8.0.0",
     "photoswipe": "^5.4.4",
     "prop-types": "^15.8.1",