Add sonarCloud Code Analyzer

Signed-off-by: Michael Barz <mbarz@owncloud.com>

.drone.star

@@ -126,6 +126,16 @@ def testing(ctx):
           },
         },
       },
+      {
+        'name': 'sonarcloud',
+        'image': 'sonarsource/sonar-scanner-cli',
+        'pull': 'always',
+        'environment': {
+          'SONAR_TOKEN': {
+            'from_secret': 'sonar_token',
+          },
+        },
+      },
     ],
     'volumes': [
       {

sonar-project.properties

@@ -0,0 +1,34 @@
+
+sonar.projectKey=owncloud_ocis-thumbnails
+sonar.organization=owncloud-1
+sonar.projectName=ownCloud Infinite Scale: THUMBNAILS
+sonar.projectVersion=1.0
+sonar.host.url=https://sonarcloud.io
+
+# =====================================================
+#   Meta-data for the project
+# =====================================================
+
+sonar.links.homepage=https://github.com/owncloud/ocis-thumbnails
+sonar.links.ci=https://cloud.drone.io/owncloud/ocis-thumbnails/
+sonar.links.scm=https://github.com/owncloud/ocis-thumbnails
+sonar.links.issue=https://github.com/owncloud/ocis-thumbnails/issues
+
+
+# =====================================================
+#   Properties that will be shared amongst all modules
+# =====================================================
+
+# SQ standard properties
+sonar.sources=.
+
+# Pull Requests
+sonar.pullrequest.provider=GitHub
+sonar.pullrequest.github.repository=owncloud/ocis-thumbnails
+sonar.pullrequest.base=${env.DRONE_BRANCH}
+sonar.pullrequest.branch=${env.DRONE_SOURCE_BRANCH}
+sonar.pullrequest.key=${env.DRONE_PULL_REQUEST}
+
+
+# Properties specific to language plugins:
+sonar.go.coverage.reportPaths=coverage.out