feat: added basic UI, started on backend

chore: added coroutines

Signed-off-by: limited_dev <loginakkisativ@gmail.com>

src/main/kotlin/de/limited_dev/modpackinstaller/backend/Manager.kt

@@ -0,0 +1,41 @@
+/*
+ *     Copyright (C) 2023  limited_dev
+ *
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+package de.limited_dev.modpackinstaller.backend
+
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.runBlocking
+
+object Manager {
+    fun startDownloadAndInstall(dotMcLocation: String) {
+        val modloaderCoroutine = GlobalScope.launch {
+            println("Downloading Modloader")
+        }
+
+        val modpackCoroutine = GlobalScope.launch {
+            println("Downloading Modpack")
+        }
+
+        runBlocking {
+            modloaderCoroutine.join()
+        }
+
+
+    }
+}