chore: ci/cd and repository cleaning

.circleci/config.yml

-version: 2
-jobs:
-  build:
-    docker:
-      - image: docker:17-git
-    steps:
-      - checkout
-      - setup_remote_docker
-      - run:
-          name: Build Docker image
-          command: docker build -t condenser .
-      - run:
-          name: Save Docker image
-          command: docker save -o condenser.tar condenser
-      - persist_to_workspace:
-          root: .
-          paths:
-            - condenser.tar
-  build-blackboxtest:
-    docker:
-      - image: docker:17-git
-    steps:
-      - checkout
-      - setup_remote_docker
-      - run:
-          name: Build Docker image
-          command: docker build -t condenser-blackboxtest blackboxtest/
-      - run:
-          name: Save Docker image
-          command: docker save -o condenser-blackboxtest.tar condenser-blackboxtest
-      - persist_to_workspace:
-          root: .
-          paths:
-            - condenser-blackboxtest.tar
-  run-blackboxtest:
-    docker:
-      - image: docker:17-git
-    steps:
-      - checkout
-      - setup_remote_docker
-      - attach_workspace:
-          at: /tmp/workspace
-      - run:
-          name: Load Docker images
-          command: |
-            docker load -i /tmp/workspace/condenser.tar
-            docker load -i /tmp/workspace/condenser-blackboxtest.tar
-      - run:
-          name: Start condenser
-          command: |
-            docker run -ditp 8080:8080 --name condenser condenser
-            sleep 10 # let condenser start
-      - run:
-          name: Run tests
-          command: docker run --network container:condenser condenser-blackboxtest
-workflows:
-  version: 2
-  condenser:
-    jobs:
-      - build
-    #  - build-blackboxtest
-    #  - run-blackboxtest:
-    #      requires:
-    #        - build
-    #        - build-blackboxtest