feat: ページネーション情報を持つPaginationListを追加

src/main/kotlin/dev/usbharu/hideout/application/infrastructure/exposed/PaginationList.kt

@@ -0,0 +1,22 @@
+package dev.usbharu.hideout.application.infrastructure.exposed
+
+class PaginationList<T, ID>(list: List<T>, val next: ID?, val prev: ID?) : List<T> by list
+
+fun <T, ID> PaginationList<T, ID>.toHttpHeader(
+    nextBlock: (string: String) -> String,
+    prevBlock: (string: String) -> String
+): String? {
+    val mutableListOf = mutableListOf<String>()
+    if (next != null) {
+        mutableListOf.add("<${nextBlock(nextBlock.toString())}>; rel=\"next\";")
+    }
+    if (prev != null) {
+        mutableListOf.add("<${prevBlock(prevBlock.toString())}>; rel=\"prev\";")
+    }
+
+    if (mutableListOf.isEmpty()) {
+        return null
+    }
+
+    return mutableListOf.joinToString(",")
+}