Improve docs regarding running Console Bridge locally

[vojtechszocs]

📝 Description

When running Console Bridge locally,

-plugins kubevirt-plugin=http://localhost:9001/

(note the trailing slash) should be paired with

-i18n-namespaces=plugin__kubevirt-plugin

to ensure that the proper i18n namespace is registered for the plugin at Console runtime.

ℹ️ Note that .devcontainer/Dockerfile.console already contains

-i18n-namespaces $OC_PLUGIN_I18N_NAMESPACES

which could also be updated to

-i18n-namespaces plugin__$OC_PLUGIN_NAME

(and thus removing the need for OC_PLUGIN_I18N_NAMESPACES env variable) but I leave that up to you 😃

[openshift-ci]

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