added translation for pt_PT (#1219)

frontend/app_flowy/packages/appflowy_editor/lib/l10n/intl_pt_PT.arb

@@ -1,35 +1,35 @@
 {
   "@@locale": "pt-PT",
-  "bold": "",
+  "bold": "negrito",
   "@bold": {},
-  "bulletedList": "",
+  "bulletedList": "lista com marcadores",
   "@bulletedList": {},
-  "checkbox": "",
+  "checkbox": "caixa de seleção",
   "@checkbox": {},
-  "embedCode": "",
+  "embedCode": "Código embutido",
   "@embedCode": {},
-  "heading1": "",
+  "heading1": "Cabeçallho 1",
   "@heading1": {},
-  "heading2": "",
+  "heading2": "Cabeçallho 2",
   "@heading2": {},
-  "heading3": "",
+  "heading3": "Cabeçallho 3",
   "@heading3": {},
-  "highlight": "",
+  "highlight": "realçar",
   "@highlight": {},
-  "image": "",
+  "image": "imagem",
   "@image": {},
-  "italic": "",
+  "italic": "itálico",
   "@italic": {},
-  "link": "",
+  "link": "link",
   "@link": {},
-  "numberedList": "",
+  "numberedList": "lista numerada",
   "@numberedList": {},
-  "quote": "",
+  "quote": "citar",
   "@quote": {},
-  "strikethrough": "",
+  "strikethrough": "tachado",
   "@strikethrough": {},
-  "text": "",
+  "text": "texto",
   "@text": {},
-  "underline": "",
+  "underline": "sublinhado",
   "@underline": {}
 }