eleventy elasticsearch plugin

Additional NPM package requirements:

npm install elasticsearch
npm install dotenv

Installation:

git clone https://github.com/SDScandrettKint/eleventy_elasticsearch.git elasticsearch in the "_plugins/" directory
create a .env file with ES_PASSWORD=(a value)
docker-compose up -d to start elasticsearch
run node index.js to create the index and go through content markdown yaml

Improvements to make

contributor needs to be unpacked from object, currently just stored as object type in mapping but should be text array