Add language customization flag (#7374)

This allows you to customize any string (that has a translation) or add your own translations.

src/node/main.ts

@@ -7,6 +7,7 @@ import { plural } from "../common/util"
 import { createApp, ensureAddress } from "./app"
 import { AuthType, DefaultedArgs, Feature, toCodeArgs, UserProvidedArgs } from "./cli"
 import { commit, version, vsRootPath } from "./constants"
+import { loadCustomStrings } from "./i18n"
 import { register } from "./routes"
 import { VSCodeModule } from "./routes/vscode"
 import { isDirectory, open } from "./util"
@@ -122,6 +123,12 @@ export const runCodeServer = async (
 ): Promise<{ dispose: Disposable["dispose"]; server: http.Server }> => {
   logger.info(`code-server ${version} ${commit}`)
 
+  // Load custom strings if provided
+  if (args.i18n) {
+    await loadCustomStrings(args.i18n)
+    logger.info("Loaded custom strings")
+  }
+
   logger.info(`Using user-data-dir ${args["user-data-dir"]}`)
   logger.debug(`Using extensions-dir ${args["extensions-dir"]}`)