Integrate fig auto-complete

Installation & Usage

• Using Homebrew: brew install --cask fig
• Download from their website: fig.io

Maintain KubeVela auto-complete scripts

• Fork the git repo withfig/autocomplete
• Clone your forked repo

# Replace `YOUR_GITHUB_USERNAME` with your own github username
git clone https://github.com/YOUR_GITHUB_USERNAME/autocomplete.git fig-autocomplete
cd fig-autocomplete
# Add withfig/autocomplete as a remote
git remote add upstream https://github.com/withfig/autocomplete.git
# Install packages
npm install

• edit vela-cli spec in src/vela.ts, the spec is easy to understand
• run dev mode to review your change, use npm run dev
• send a PR to the main repo