libc-database web service development

Local deployment

Populate libc db with ./get or ./add.
Start the server with docker (must be run from the searchengine/ directory):
```
docker-compose up --build
```

Install pip dependencies from requirements.txt.

Example with venv:

python -m venv venv
. venv/bin/activate
pip install -U pip
pip install -U -r requirements.txt

Index libc db in elasticsearch (must be run from the searchengine/ directory):
```
python -m index ../db
```

To remove all development files run:

docker-compose down --volumes --rmi all

To get app logs from UWSGI:

docker logs searchengine_uwsgi_1