Resolve "Add competition login view"

.vscode/settings.json

client/.eslintrc

client/.prettierrc

client/src/App.tsx

client/src/Main.tsx

client/src/components/CompetitionManager.tsx

client/src/components/Login.tsx

client/src/index.css

client/src/interfaces/models.ts

client/src/pages/admin/AdminPage.css

client/src/pages/admin/AdminPage.test.tsx

client/src/pages/admin/AdminPage.tsx

client/src/pages/admin/components/CompetitionManager.css

...nt/src/pages/admin/components/CompetitionManager.test.tsx

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

client/src/pages/admin/components/Regions.test.tsx

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

client/src/pages/login/LoginPage.css

client/src/pages/login/LoginPage.test.tsx

client/src/pages/login/LoginPage.tsx