Expose metrics and add Prometheus ServiceMonitor (oauth2-proxy#46)

* expose metrics and add prometheus servicemonitor

* add new values to readme

* remove trailing space

* use metrics in favor of prometheus as variable name

Merge pull request oauth2-proxy#50 from JVecsei/main

Merge pull request oauth2-proxy#45 from boomerang-io/feat-configure-r…

…estricted-user-access-key

Merge pull request oauth2-proxy#41 from caiofralmeida/fix_ingress_api…

…_k8s_1.18

Merge pull request oauth2-proxy#40 from curamos/patch-1

Make compatible with K8s 1.18

Merge pull request oauth2-proxy#39 from caiofralmeida/fix_template_sa…

…_name

Uses template function to generate service account name

fix(ci): upgrade helm/chart-testing-action / helm/kind-action. (oauth…

…2-proxy#42)

* fix(ci): upgrade helm/chart-testing-action / helm/kind-action.

* docs: missing newline.

Actually just a way to force CI to run.

Added ingress for apiVersion: networking.k8s.io/v1 (oauth2-proxy#37)

* Added ingress for apiVersion: networking.k8s.io/v1

fix variables

added missing new line character

* add deprecation yaml, docs + major version bump

Support for tpl function in extra env values (oauth2-proxy#21)

* Support for tpl function in extra env values

* Added ci tpl function test values

* bump chart version up

* updates to tpl test values and readme

Added pierluigilenoci as maintainers (oauth2-proxy#32)