Add disclaimer fragment

app/src/main/java/gq/kirmanak/mealient/data/disclaimer/DisclaimerStorage.kt

@@ -0,0 +1,7 @@
+package gq.kirmanak.mealient.data.disclaimer
+
+interface DisclaimerStorage {
+    suspend fun isDisclaimerAccepted(): Boolean
+
+    fun acceptDisclaimer()
+}

app/src/main/java/gq/kirmanak/mealient/data/disclaimer/DisclaimerStorageImpl.kt

@@ -0,0 +1,30 @@
+package gq.kirmanak.mealient.data.disclaimer
+
+import android.content.SharedPreferences
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import timber.log.Timber
+import javax.inject.Inject
+
+private const val IS_DISCLAIMER_ACCEPTED_KEY = "IS_DISCLAIMER_ACCEPTED"
+
+class DisclaimerStorageImpl @Inject constructor(
+    private val sharedPreferences: SharedPreferences
+) : DisclaimerStorage {
+
+    override suspend fun isDisclaimerAccepted(): Boolean {
+        Timber.v("isDisclaimerAccepted() called")
+        val isAccepted = withContext(Dispatchers.IO) {
+            sharedPreferences.getBoolean(IS_DISCLAIMER_ACCEPTED_KEY, false)
+        }
+        Timber.v("isDisclaimerAccepted() returned: $isAccepted")
+        return isAccepted
+    }
+
+    override fun acceptDisclaimer() {
+        Timber.v("acceptDisclaimer() called")
+        sharedPreferences.edit()
+            .putBoolean(IS_DISCLAIMER_ACCEPTED_KEY, true)
+            .apply()
+    }
+}