Add connection string and attempt to transform it

Infrastructure/.drone.yml

@@ -15,9 +15,13 @@ steps:
   volumes:
   - name: output
     path: /output
+  environment:
+    ConnectionString:
+      from_secret: ConnectionString
   commands:
   - curl -sL https://deb.nodesource.com/setup_12.x | bash -
   - apt-get install -y nodejs
   - chmod +x ./build.sh
   - ./build.sh
+  - sed -i 's/<DatabaseConnectionString>/${ConnectionString}/g' appsettings.json
   - cp -r ./output/* /output