Add more examples

[mohammedzamakhan]

Add more examples to the guide. Please provide plnkr's if you can't PR in this repo.

Thanks,
@formly-js/angular2-formly-core-team

• Field Options
• Expression Properties ( http://plnkr.co/edit/XYZ1N8Y3cFHKgZIejrIA )
• Default Value ( http://plnkr.co/edit/u0rJKMy4tVuMarIcMbO2 )
• Hide Fields ( http://plnkr.co/edit/9ErCn8RiXfpWs725OH9M )
• Model
• modelOptions
• Watchers
• onKeypress
• templateOptions.focus
• parsers and formatters
• Form Options
• Reset Model ( http://plnkr.co/edit/FCTlq2jFZdXX7tlsehrs?p=preview )
• Form State
• Bootstrap Formly
• Table Rows ( http://plnkr.co/edit/uUrBpiue5V1sHcTowAgS?p=preview )
• Select
• Custom Types
• Creating Custom Templates
• Default Options
• Extending Types
• Integrations
• material2
• ng2-mdl
• angular-translate
• UI Bootstrap Tabs ( http://plnkr.co/edit/Y3lt35mRMHQEBP8wun6w?p=preview )
• UI Bootstrap Modal
• UI Bootstrap Typeahead ( http://plnkr.co/edit/WIU1YyUxzQin73gsGekG?p=preview )
• UI Select
• UI Grid
• UI Datepicker ( http://plnkr.co/edit/b0TOg5IYPCDp6fZFyNes?p=preview )
• UI Timepicker ( http://plnkr.co/edit/wmukcGqjuH9bKMLueQxr?p=preview )
• Color Picker
• Bootstrap Specific
• Advanced Layout ( http://plnkr.co/edit/IiE4ncDKburrzTtw3I3J )
• Bootstrap Horizontal ( http://plnkr.co/edit/Jq30eKCwRU7laEB2cjdw )

[aitboudad]

seems interesting, I'll try to give some help next week!