refactor(server): split gtfs into its own module

server/gtfs_rt/build.gradle.kts

@@ -0,0 +1,31 @@
+plugins {
+    alias(libs.plugins.kotlinJvm)
+    alias(libs.plugins.kotlinSerialization)
+    alias(libs.plugins.wire)
+}
+
+kotlin {
+    compilerOptions {
+        freeCompilerArgs.add("-opt-in=kotlin.time.ExperimentalTime")
+    }
+}
+
+dependencies {
+    implementation(projects.shared)
+    implementation(libs.okio)
+    implementation(libs.koin.core)
+    implementation(libs.ktor.client.core)
+    implementation(libs.ktor.client.contentnegotiation)
+    implementation(libs.ktor.serialization.kotlinx.json)
+    implementation(libs.kotlinx.coroutines.core)
+    implementation(libs.kotlinx.datetime)
+    implementation(libs.kotlinx.serialization.json)
+    implementation(libs.kotlinx.serialization.protobuf)
+}
+
+wire {
+    sourcePath {
+        srcDir("src/commonMain/proto")
+    }
+    kotlin {}
+}