Add blackduck plugin

Signed-off-by: Deepankumar Loganathan <deepan0433@gmail.com>

microsite/data/plugins/blackduck.yaml

@@ -0,0 +1,12 @@
+---
+title: BlackDuck
+author: Deepankumar
+authorUrl: https://github.com/deepan10
+category: Security
+description: BlackDuck scanned vulnerabilities in Backstage.
+documentation: https://github.com/deepan10/backstage-plugin-blackduck
+iconUrl: img/blackduck-icon.svg
+npmPackageName: '@deepan10/backstage-plugin-blackduck'
+tags:
+  - security
+addedDate: '2021-12-03'

microsite/static/img/blackduck-icon.svg

@@ -0,0 +1 @@
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