feat: add settings screen (#47)

Reviewed-on: https://git.reya.su/reya/coop-mobile/pulls/47

shared/src/commonMain/kotlin/su/reya/coop/viewmodel/AccountViewModel.kt

@@ -3,8 +3,6 @@ package su.reya.coop.viewmodel
 import androidx.lifecycle.ViewModel
 import kotlinx.coroutines.flow.StateFlow
 import rust.nostr.sdk.PublicKey
-import rust.nostr.sdk.RelayMetadata
-import rust.nostr.sdk.RelayUrl
 import rust.nostr.sdk.Timestamp
 import su.reya.coop.Profile
 import su.reya.coop.repository.AccountRepository
@@ -16,10 +14,6 @@ class AccountViewModel(
     val state: StateFlow<AccountState> = repository.state
     val isUpdatingProfile: StateFlow<Boolean> = repository.isUpdatingProfile
     val currentUserProfile: StateFlow<Profile?> = repository.currentUserProfile
-    val contactList: StateFlow<Set<PublicKey>> = repository.contactList
-    val isRelayListEmpty: StateFlow<Boolean> = repository.isRelayListEmpty
-    val userRelayList: StateFlow<Map<RelayUrl, RelayMetadata?>> = repository.userRelayList
-    val userMsgRelayList: StateFlow<List<RelayUrl>> = repository.userMsgRelayList
 
     fun logout(onLogout: () -> Unit = {}) = repository.logout(onLogout)
     fun dismissNotificationBanner() = repository.dismissNotificationBanner()

shared/src/commonMain/kotlin/su/reya/coop/viewmodel/SettingsViewModel.kt

@@ -0,0 +1,16 @@
+package su.reya.coop.viewmodel
+
+import androidx.lifecycle.ViewModel
+import kotlinx.coroutines.flow.StateFlow
+import su.reya.coop.Settings
+import su.reya.coop.repository.SettingsRepository
+
+class SettingsViewModel(
+    private val repository: SettingsRepository
+) : ViewModel() {
+    val settings: StateFlow<Settings> = repository.settings
+
+    fun update(transform: (Settings) -> Settings) {
+        repository.update(transform)
+    }
+}