Add the api package to interact with a server

[noahingh]

#313

func main() {
	ctx := context.Background()
	ts := oauth2.StaticTokenSource(
		&oauth2.Token{AccessToken: "... your access token ..."},
	)
        tc := oauth2.NewClient(ctx, ts)
        
        c := api.NewClient("https://cloud.gitploy.io/", tc)
        ds, _ := c.Search.ListDeployments(ctx, ...)
}