Merge tag 'v0.1.0' into develop

v0.1.0 prepare
assets: css, cleanup, base files
views: layout, public page
config: `firm.yml` minor changes
update CHANGELOG
bump version v0.1.1
Merge branch 'feature/v0.1.1' into develop
cleanup (.gitignore)
add model `Trds::User`
add model `Trds::Stock`
add model `Trds::Payment`
add model `Trds::PartnerFirm`
add model `Trds::Invoice`
add model `Trds::Hmrs`
add model `Trds::Grn`
add model `Trds::FreightStock`
add model `Trds::FreightOut`
add model `Trds::FreightIn`
add model `Trds::Freight`
add model `Trds::DeliveryNote`