HELM-586: Add i18n keys for Helm Chart repository error toast

Signed-off-by: Martin Szuc <mszuc@redhat.com>

Author: martinszuc

frontend/packages/helm-plugin/locales/en/helm-plugin.json

@@ -62,6 +62,7 @@
   "Helm Chart": "Helm Chart",
   "Helm Chart cannot be installed": "Helm Chart cannot be installed",
   "Helm Chart repositories": "Helm Chart repositories",
+  "Helm Chart repository error": "Helm Chart repository error",
   "Helm Chart repository URL.": "Helm Chart repository URL.",
   "Helm chart URL": "Helm chart URL",
   "Helm Charts": "Helm Charts",
@@ -138,6 +139,7 @@
   "Source": "Source",
   "Status": "Status",
   "Status Box": "Status Box",
+  "The following repositories are unreachable: {{repoList}}": "The following repositories are unreachable: {{repoList}}",
   "The Helm Chart is currently unavailable. {{chartError}}": "The Helm Chart is currently unavailable. {{chartError}}",
   "The Helm Release can be created by completing the form. Default values may be provided by the Helm chart authors.": "The Helm Release can be created by completing the form. Default values may be provided by the Helm chart authors.",
   "The Helm Release can be created by manually entering YAML or JSON definitions.": "The Helm Release can be created by manually entering YAML or JSON definitions.",