Add Dockerfile and docker-compose.yml for dev

Dockerfile

@@ -0,0 +1,12 @@
+FROM python:3
+
+RUN apt-get update && apt-get install -y vim
+
+RUN mkdir -p /usr/src/app
+WORKDIR /usr/src/app
+
+RUN pip install --upgrade pip
+
+COPY . /usr/src/app/
+
+RUN pip install --no-cache-dir -e .[dev]

docker-compose.yml

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+version: '2'
+
+services:
+  cryptoconditions:
+    build:
+      context: .
+    volumes:
+      - ./docs:/usr/src/app/docs
+      - ./tests:/usr/src/app/tests
+      - ./cryptoconditions:/usr/src/app/cryptoconditions
+      - ./examples:/usr/src/app/examples
+      - ./setup.py:/usr/src/app/setup.py
+      - ./.coveragerc:/usr/src/app/.coveragerc
+    command: pytest -v
+
+  bdocs:
+    build:
+      context: .
+    volumes:
+      - .:/usr/src/app/
+    command: make -C docs html
+
+  vdocs:
+    image: nginx
+    ports:
+      - '80'
+    volumes:
+      - ./docs/_build/html:/usr/share/nginx/html