Added announcement disposal:

Added ann details button
Added modal shown on its click
Moved trashbox selection there
Added trashboxes mock while testing in restricted area

front/src/components/index.ts

@@ -13,3 +13,4 @@ export { default as StoriesPreview } from './StoriesPreview'
 export { default as Points } from './Points'
 export { default as SignOut } from './SignOut'
 export { default as Poetry } from './Poetry'
+export { default as SelectDisposalTrashbox } from './SelectDisposalTrashbox'