* implement analyzer interface for sourcegraph
* created permission for sourcegraph
test for sourcegraph.
added email in resource metadata.
* handling of missing keys in map
* linked sourcegraph detector to analyzer
* update the fullyqualidied name of resource to make it unique.
updated the test.
* add current user email in metadata
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Co-authored-by: Abdul Basit <abasit@folio3.com>
