pin locking

src/locales/en/messages.json

@@ -1169,5 +1169,24 @@
   },
   "weakMasterPasswordDesc": {
     "message": "The master password you have chosen is weak. You should use a strong master password (or a passphrase) to properly protect your Bitwarden account. Are you sure you want to use this master password?"
+  },
+  "pin": {
+    "message": "PIN",
+    "description": "PIN code. Ex. The short code (often numeric) that you use to unlock a device."
+  },
+  "unlockWithPin": {
+    "message": "Unlock with PIN"
+  },
+  "setYourPinCode": {
+    "message": "Set your PIN code for unlocking Bitwarden. Your PIN settings will be reset if you ever fully log out of the application."
+  },
+  "pinRequired": {
+    "message": "PIN code is required."
+  },
+  "invalidPin": {
+    "message": "Invalid PIN code."
+  },
+  "yourVaultIsLockedPinCode": {
+    "message": "Your vault is locked. Verify your PIN code to continue."
   }
 }