feat: rename embargo to start/stop trading

src/client/HelpModal.ts

@@ -411,9 +411,11 @@ export class HelpModal extends LitElement {
                   <td>Port</td>
                   <td><div class="icon port-icon"></div></td>
                   <td>
-                    Automatically sends trade ships between allied ports,
-                    giving gold to both sides. Allows building Battleships.
-                    Can only be built near water.
+                    Automatically sends trade ships between ports of your
+                    country and other countries (except if you clicked "stop
+                    trade" on them or they clicked "stop trade on you"), giving
+                    gold to both sides. Allows building Battleships. Can only
+                    be built near water.
                   </td>
                 </tr>
                 <tr>

src/client/graphics/layers/PlayerPanel.ts

@@ -321,7 +321,7 @@ export class PlayerPanel extends LitElement implements Layer {
                           bg-opacity-50 bg-gray-700 hover:bg-opacity-70
                           text-white rounded-lg transition-colors"
                 >
-                  Start embargo
+                  Stop trading
                 </button>`
               : ""}
             ${!canEmbargo && other != myPlayer
@@ -332,7 +332,7 @@ export class PlayerPanel extends LitElement implements Layer {
                           bg-opacity-50 bg-gray-700 hover:bg-opacity-70
                           text-white rounded-lg transition-colors"
                 >
-                  Stop embargo
+                  Start trading
                 </button>`
               : ""}
           </div>