Implement first version of BiTIA DSL parser

Rough ideas. DSL will evolve and it is not right time to write the specifications. To begin with, lets just implement the file and its remote location.

• <file|url> format.

assigned to @dilawar

created branch 8-implement-first-version-of-bitia-dsl-parser to address this issue

mentioned in merge request !9 (closed)

closed

mentioned in merge request !12 (merged)

mentioned in commit 966efc0c