add link to docs

public/_locales/en/messages.json

@@ -298,5 +298,8 @@
   },
   "mantras": {
     "message": "Mantras"
+  },
+  "documentation": {
+    "message": "Documentation"
   }
 }

public/_locales/english_base.json

@@ -268,5 +268,8 @@
   },
   "mantras": {
     "message": "Mantras"
+  },
+  "documentation": {
+    "message": "Documentation"
   }
 }

src/App.jsx

@@ -1212,6 +1212,14 @@ function App() {
                 >
                   <span>{chrome.i18n.getMessage("suggest_feature")}</span>
                 </button>
+                <button
+                  className="flex w-full items-center justify-between rounded-md px-3 py-2 hover:bg-accent"
+                  onClick={() => {
+                    window.open("https://docs.flowtide.app");
+                  }}
+                >
+                  <span>{chrome.i18n.getMessage("documentation")}</span>
+                </button>
               </div>
             </div>
           </div>