feat: Ability to improve drafts in the editor using GPT integration (#6957)

ref: https://github.com/chatwoot/chatwoot/issues/6436
fixes: https://linear.app/chatwoot/issue/CW-1552/ability-to-rephrase-text-in-the-editor-using-gpt-integration

---------

Co-authored-by: Sojan <sojan@pepalo.com>
Co-authored-by: Nithin David Thomas <1277421+nithindavid@users.noreply.github.com>

app/javascript/dashboard/i18n/locale/en/integrations.json

@@ -82,6 +82,23 @@
       "JOIN_ERROR": "There was an error joining the call, please try again",
       "CREATE_ERROR": "There was an error creating a meeting link, please try again"
     },
+    "OPEN_AI": {
+      "TITLE": "Improve With AI",
+      "SUBTITLE": "An improved reply will be generated using AI, based on your current draft.",
+      "TONE": {
+        "TITLE": "Tone",
+        "OPTIONS": {
+          "PROFESSIONAL": "Professional",
+          "FRIENDLY": "Friendly"
+        }
+      },
+      "BUTTONS": {
+        "GENERATE": "Generate",
+        "GENERATING": "Generating...",
+        "CANCEL": "Cancel"
+      },
+      "GENERATE_ERROR": "There was an error processing the content, please try again"
+    },
     "DELETE": {
       "BUTTON_TEXT": "Delete",
       "API": {