in vscode-extension/src/powershell.ts [89:95]
public async installModule(moduleName: string): Promise<void> {
const command = `Install-Module "${moduleName}" -Repository PSGallery -Force`;
this.powershell.addCommand(command);
await this.powershell.invoke().then(
() => { this.log.write(`Install "${moduleName}" successed`); }
);
}