1.0.4 Release

• README: Add Installation section.
• Add GPL, v3 LICENSE file.

1.0.3 Version 🐘

Add .gitattributes to exclude unneeded dev files in prod

v1.0.2; Minor changes + README's examples improved

[README][Usage Section] Add further details + Fix syntax error with q…

…uote

v1.0: Initial Release

[README|Composer] Add license details