Create tests for redirects

[TerryHowe]

Create tests for redirects

static/helm/index.html
static/helm/v2/index.html
static/helm/v4/index.html
static/helm/v3/index.html

• Create a github/workflow for it that runs on pull requests. It should run on node version specified in netlify.toml
• Run tests when the make build target is run