feat: Initial Database stuff for FolderPairs

This commit adds the initial Database design to save and load `FolderPair`s locally

app/build.gradle.kts

@@ -2,6 +2,7 @@ plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.kotlin.compose)
     alias(libs.plugins.jetbrains.kotlin.serialization)
+    alias(libs.plugins.ksp)
 }
 
 android {
@@ -63,4 +64,9 @@ dependencies {
     implementation(libs.kotlinx.serialization.core)
 
     implementation(libs.bundles.voyager)
+
+    // Room
+    implementation(libs.androidx.room.runtime)
+    implementation(libs.androidx.room.ktx)
+    ksp(libs.androidx.room.compiler)
 }