chore: add helm install

[daixiang0]

Commit Message

Add helm install.

Log:

root:[ai-gateway]$ make helm
Downloading helm-v3.17.0
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 11903  100 11903    0     0  80425      0 --:--:-- --:--:-- --:--:-- 80425
Downloading https://get.helm.sh/helm-v3.17.0-linux-amd64.tar.gz
Verifying checksum... Done.
Preparing to install helm-v3.17.0 into /root/ai-gateway/.bin
helm-v3.17.0 installed into /root/ai-gateway/.bin/helm-v3.17.0
root:[ai-gateway]$ make helm
root:[ai-gateway]$

Related Issues/PRs (if applicable)

Fixes #302

[mathetake]

sorry what i meant in #302 is to use go install. is it possible?