Add command to dump required PHP extensions based on vendor/composer/… (#599)

* Add command to dump required PHP extensions based on vendor/composer/installed.json, composer.lock, composer.json (in this order)

* remove unused use

* missing translation

* Adjust dump-extensions

* Add docs for dump-extension command

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Co-authored-by: crazywhalecc <jesse2061@outlook.com>

src/SPC/ConsoleApplication.php

@@ -18,6 +18,7 @@ use SPC\command\dev\PhpVerCommand;
 use SPC\command\dev\SortConfigCommand;
 use SPC\command\DoctorCommand;
 use SPC\command\DownloadCommand;
+use SPC\command\DumpExtensionsCommand;
 use SPC\command\DumpLicenseCommand;
 use SPC\command\ExtractCommand;
 use SPC\command\InstallPkgCommand;
@@ -54,6 +55,7 @@ final class ConsoleApplication extends Application
                 new MicroCombineCommand(),
                 new SwitchPhpVersionCommand(),
                 new SPCConfigCommand(),
+                new DumpExtensionsCommand(),
 
                 // Dev commands
                 new AllExtCommand(),