feat: added new translation (bn_BN) to appflowy-editor (#1356)

* Create intl_bn_BN.arb

* Update intl_bn_BN.arb

frontend/app_flowy/packages/appflowy_editor/lib/l10n/intl_bn_BN.arb

@@ -0,0 +1,35 @@
+{
+  "@@locale": "bn_BN",
+  "bold": "বল্ড ফন্ট",
+  "@bold": {},
+  "bulletedList": "বুলেট তালিকা",
+  "@bulletedList": {},
+  "checkbox": "চেকবক্স",
+  "@checkbox": {},
+  "embedCode": "এম্বেড কোড",
+  "@embedCode": {},
+  "heading1": "শিরোনাম 1",
+  "@heading1": {},
+  "heading2": "শিরোনাম 2",
+  "@heading2": {},
+  "heading3": "শিরোনাম 3",
+  "@heading3": {},
+  "highlight": "হাইলাইট",
+  "@highlight": {},
+  "image": "ইমেজ",
+  "@image": {},
+  "italic": "ইটালিক ফন্ট",
+  "@italic": {},
+  "link": "লিঙ্ক",
+  "@link": {},
+  "numberedList": "সংখ্যাযুক্ত তালিকা",
+  "@numberedList": {},
+  "quote": "উদ্ধৃতি",
+  "@quote": {},
+  "strikethrough": "স্ট্রাইকথ্রু",
+  "@strikethrough": {},
+  "text": "পাঠ্য",
+  "@text": {},
+  "underline": "আন্ডারলাইন",
+  "@underline": {}
+}