Add data source structure and it's description to readme.

Signed-off-by: Hendra Uzia <hendra.uzia@yahoo.co.id>
Add custom html attribute in array associative for better control of the parsed data rather than pure string.

Signed-off-by: Hendra Uzia <hendra.uzia@yahoo.co.id>
Remove feature disable select, simply pass empty prompt to mimic disable select feature.

Signed-off-by: Hendra Uzia <hendra.uzia@yahoo.co.id>
Change initial dropdown hide to use style rather than javascript & fix dropdown not shown when javascript printed in the middle.

Signed-off-by: Hendra Uzia <hendra.uzia@yahoo.co.id>
Move data seed from database to seed_db.

Signed-off-by: Hendra Uzia <hendra.uzia@yahoo.co.id>
Add array data seed as default example used & remove irrelevant installation instruction in readme.

Signed-off-by: Hendra Uzia <hendra.uzia@yahoo.co.id>
Refactor content binding to use single event binding.

Signed-off-by: Hendra Uzia <hendra.uzia@yahoo.co.id>