Add "packageManagerUrl" in _configmap.tpl (#76)

* feature: add "packageManagerUrl" in _configmap.tpl

This is a prerequisite for further configuration in the various RStudio charts, following the recent PRs in Onyxia

* fix: duplicate line, unwanted comma

charts/library-chart/Chart.yaml

 apiVersion: v2
 name: library-chart
-version: 1.3.15
+version: 1.4.0
 type: library

charts/library-chart/templates/_configmap.tpl

@@ -312,7 +312,7 @@ data:
 
 {{/* Create the name of the config map repository to use */}}
 {{- define "library-chart.repository.enabled" -}}
-{{- default "" (or (or .Values.repository.pipRepository .Values.repository.condaRepository) .Values.repository.rRepository) }}
+{{- default "" (or (or (or .Values.repository.pipRepository .Values.repository.condaRepository) .Values.repository.rRepository) .Values.repository.packageManagerUrl) }}
 {{- end }}
 
 {{- define "library-chart.configMapNameRepository" -}}
@@ -343,6 +343,9 @@ data:
   {{- if .Values.repository.rRepository }}
   R_REPOSITORY: "{{ .Values.repository.rRepository }}"
   {{- end }}
+  {{- if .Values.repository.packageManagerUrl }}
+  PACKAGE_MANAGER_URL: "{{ .Values.repository.packageManagerUrl }}"
+  {{- end }}
 {{- end }}
 {{- end }}