feat(Progress): new component (#75)

Co-authored-by: Benjamin Canac <canacb1@gmail.com>

src/theme/index.ts

@@ -25,6 +25,7 @@ export { default as modal } from './modal'
 export { default as navigationMenu } from './navigation-menu'
 export { default as pagination } from './pagination'
 export { default as popover } from './popover'
+export { default as progress } from './progress'
 export { default as radioGroup } from './radio-group'
 export { default as select } from './select'
 export { default as selectMenu } from './select-menu'