feat: support pnpm, yarn

[moka-ayumu]

Description

• add support pnpm, yarn in pwsh script
• fix error if inshellisense path in pwsh script has spaces

[moka-ayumu]

@moka-ayumu please read the following Contributor License Agreement(CLA). If you agree with the CLA, please reply with the following information.

@microsoft-github-policy-service agree [company="{your company}"]

Options:

• (default - no company specified) I have sole ownership of intellectual property rights to my Submissions and I am not making Submissions in the course of work for my employer.

@microsoft-github-policy-service agree

• (when company given) I am making Submissions in the course of work for my employer (or my employer has intellectual property rights in my Submissions by contract or applicable law). I have permission from my employer to make Submissions and enter into this Agreement on behalf of my employer. By signing below, the defined term “You” includes me and my employer.

@microsoft-github-policy-service agree company="Microsoft"

Contributor License Agreement

@microsoft-github-policy-service agree

[cpendery]

This pr is affected by #79, and will be closed once the redesign is completed as keybindings will be removed and installations will all be binary driven.