init + add header model

src/main/kotlin/com/github/insanusmokrassar/SauceNaoAPI/models/Header.kt

@@ -0,0 +1,36 @@
+package com.github.insanusmokrassar.SauceNaoAPI.models
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class Header(
+    @SerialName("user_id")
+    val userId: Int,
+    @SerialName("account_type")
+    val accountType: String,
+    @SerialName("short_limit")
+    val shortLimit: Int,
+    @SerialName("long_limit")
+    val longLimit: Int,
+    @SerialName("short_remaining")
+    val shortRemaining: Int,
+    @SerialName("long_remaining")
+    val longRemaining: Int,
+    @SerialName("status")
+    val status: Int,
+    @SerialName("results_requested")
+    val resultsRequested: Int,
+    @SerialName("index")
+    val indexes: List<Index>,
+    @SerialName("search_depth")
+    val searchDepth: Int,
+    @SerialName("minimum_similarity")
+    val minSimilarity: Float,
+    @SerialName("query_image_display")
+    val queryImageDisplay: String, // something like "userdata/uuid.png",
+    @SerialName("query_image")
+    val queryImage: String, // something like "uuid.jpg"
+    @SerialName("results_returned")
+    val resultsCount: Int
+)

src/main/kotlin/com/github/insanusmokrassar/SauceNaoAPI/models/Index.kt

@@ -0,0 +1,11 @@
+package com.github.insanusmokrassar.SauceNaoAPI.models
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class Index(
+    val status: Int,
+    val parent_id: Int,
+    val id: Int,
+    val results: Int
+)