feat: completion script

src/main/java/com/crowdin/cli/commands/picocli/CompletionSubCommand.java

@@ -0,0 +1,8 @@
+package com.crowdin.cli.commands.picocli;
+
+import picocli.AutoComplete;
+import picocli.CommandLine;
+
+@CommandLine.Command(name = "completion", hidden = true)
+class CompletionSubCommand extends AutoComplete.GenerateCompletion {
+}

src/main/java/com/crowdin/cli/commands/picocli/RootCommand.java

@@ -24,7 +24,8 @@
         FileSubcommand.class,
         LanguageSubcommand.class,
         ConfigSubcommand.class,
-        ProjectSubcommand.class
+        ProjectSubcommand.class,
+        CompletionSubCommand.class
     })
 class RootCommand extends HelpCommand {
     @Override

website/docs/intro.md

@@ -107,6 +107,12 @@ For [DEB](/installation#debian), [RPM](/installation#rpm), and [ArchLinux](/inst
 
 :::
 
+However, Crowdin CLI also comes with built-in subcommand to generate completion script for you:
+
+```bash
+crowdin completion
+```
+
 ## Requirements
 
 Check that you have Java 8 or newer installed. Type `java -version` command in the terminal (Command Prompt on Windows) to check Java version. For example, java version "1.8.0_212" means that you have Java 8 Update 212 installed.