Adding web interface to SDK

.gitignore

data/test.db

data/users.db

internal/mocks/mocks.go

internal/models/bankAccounts.go

internal/models/bankers.go

internal/models/clients.go

internal/models/models.go

internal/models/operations.go

internal/rootmux/admin_test.go

internal/rootmux/banker_test.go

internal/rootmux/client_test.go

internal/rootmux/rootmux_test.go

internal/rootmux/unlogged_test.go

pkg/auth/dbusers.go

pkg/auth/inmemory.go

pkg/auth/oauth2.go

pkg/log/log_test.go

web/components/bankerPage/bankAccount.js

web/components/bankerPage/bankerPage.js