chore(translations): add Polish translations (#554)

Co-authored-by: Elias Schneider <login@eliasschneider.com>

frontend/project.inlang/settings.json

@@ -1,7 +1,18 @@
 {
 	"$schema": "https://inlang.com/schema/project-settings",
 	"baseLocale": "en-US",
-	"locales": ["en-US", "nl-NL", "ru-RU", "de-DE", "fr-FR", "cs-CZ", "pt-BR", "it-IT", "zh-CN"],
+	"locales": [
+		"en-US",
+		"nl-NL",
+		"ru-RU",
+		"de-DE",
+		"fr-FR",
+		"cs-CZ",
+		"pt-BR",
+		"it-IT",
+		"zh-CN",
+		"pl-PL"
+	],
 	"modules": [
 		"./node_modules/@inlang/plugin-message-format/dist/index.js",
 		"./node_modules/@inlang/plugin-m-function-matcher/dist/index.js"