Remove proxy and fix routes

client/package.json

client/src/actions/cities.ts

client/src/actions/competitions.ts

client/src/actions/editor.ts

client/src/actions/presentation.ts

client/src/actions/roles.ts

client/src/actions/searchUser.ts

client/src/actions/typesAction.ts

client/src/actions/user.ts

client/src/pages/admin/competitions/AddCompetition.tsx

client/src/pages/admin/competitions/CompetitionManager.tsx

client/src/pages/admin/regions/AddRegion.tsx

client/src/pages/admin/regions/Regions.tsx

client/src/pages/admin/users/AddUser.tsx

client/src/pages/admin/users/EditUser.tsx

.../pages/presentationEditor/PresentationEditorPage.test.tsx

...t/src/pages/presentationEditor/PresentationEditorPage.tsx

...ges/presentationEditor/components/CompetitionSettings.tsx

.../src/pages/presentationEditor/components/RndComponent.tsx

...src/pages/presentationEditor/components/SlideSettings.tsx