feat: update/create index mappings on objects

[auguwu]

This will be tagged as a 0.4 release but I wanted to do some sort of query DSL:

I proposed this idea internally (in my brain, I have no friends except my boyfriend 😢) that I wanted to create a query DSL to make searching objects more easily than what the current Elasticsearch query is.

It will be called the Tsubasa Query Language (short-hand: TQL) that is similarly to GraphQL but it's stored on the server of all the data types available (under the filesystem called datatypes.tql or in a key-store database (Redis, etcd)).

To define a data type, you can do:

define(DataType, "<DATA_TYPE_NAME>", "<elastic data type>")

This will create a new entry in etcd, Redis, or in the filesystem as datatypes.json as so:

[
   { "data_type": "<DATA_TYPE_NAME>", "redirect_to": "<elastic data type>" }
]

Tsubasa will cache the datatypes.json object (or under Redis as the hash: tsubasa:datatypes; etcd: tsubasa/datatypes) in the container and now you can create a query:

search("index", FUZZY) { # Search on index "index" using the fuzzy query match type
    pretty() # Append ?pretty=true
    trackTotalHits() # Appends ?track_total_hits=true
}

(this issue is unfinished)