add localization for no board selected msg

Author: francescospissu

arduino-ide-extension/src/browser/contributions/contribution.ts

@@ -223,8 +223,10 @@ export abstract class CoreServiceContribution extends SketchContribution {
     }
     if (message) {
       if (message.includes('Missing FQBN (Fully Qualified Board Name)')) {
-        message =
-          'No board selected. Please select your Arduino board from the Tools > Board menu.';
+        message = nls.localize(
+          'arduino/coreContribution/noBoardSelected',
+          'No board selected. Please select your Arduino board from the Tools > Board menu.'
+        );
       }
       const copyAction = nls.localize(
         'arduino/coreContribution/copyError',

i18n/en.json

@@ -132,7 +132,8 @@
       "replaceTitle": "Replace"
     },
     "coreContribution": {
-      "copyError": "Copy error messages"
+      "copyError": "Copy error messages",
+      "noBoardSelected": "No board selected. Please select your Arduino board from the Tools > Board menu."
     },
     "daemon": {
       "restart": "Restart Daemon",