Add initial httpsloader (ethereum-lists#2104)

Did this in several projects now - so moving it to a module

httpsloader/build.gradle.kts

@@ -0,0 +1,19 @@
+plugins {
+    id("maven-publish")
+}
+
+publishing {
+    publications {
+        create<MavenPublication>("maven") {
+            version = "1.2"
+
+            from(components["java"])
+        }
+    }
+}
+
+dependencies {
+    implementation(project(":model"))
+    implementation("com.squareup.okhttp3:okhttp:4.9.3")
+    implementation("com.squareup.moshi:moshi:1.14.0")
+}

httpsloader/src/main/kotlin/org/ethereum/lists/chains/https/Chain.kt

@@ -0,0 +1,20 @@
+package org.ethereum.lists.chains.https
+
+import com.squareup.moshi.JsonAdapter
+import com.squareup.moshi.Moshi
+import com.squareup.moshi.Types
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import org.ethereum.lists.chains.model.Chain
+
+fun getChains(okhttpClient: OkHttpClient = OkHttpClient()): List<Chain>? {
+    val request = Request.Builder()
+        .url("https://chainid.network/chains.json")
+        .build()
+
+    val listMyData = Types.newParameterizedType(MutableList::class.java, Chain::class.java)
+    val adapter: JsonAdapter<List<Chain>> = Moshi.Builder().build().adapter(listMyData)
+
+    val response = okhttpClient.newCall(request).execute()
+    return response.body?.let { adapter.fromJson(it.source()) }
+}

settings.gradle.kts

@@ -1,2 +1,3 @@
 include(":model")
+include(":httpsloader")
 include(":processor")