refactor: move general info from Mod to Resource

This allows us to create other resources that are not Mods, but can
still share a significant portion of code.

Signed-off-by: flow <flowlnlnln@gmail.com>

launcher/minecraft/mod/Resource.cpp

@@ -0,0 +1,53 @@
+#include "Resource.h"
+
+#include "FileSystem.h"
+
+Resource::Resource(QObject* parent) : QObject(parent) {}
+
+Resource::Resource(QFileInfo file_info) : QObject()
+{
+    setFile(file_info);
+}
+
+void Resource::setFile(QFileInfo file_info)
+{
+    m_file_info = file_info;
+    parseFile();
+}
+
+void Resource::parseFile()
+{
+    QString file_name{ m_file_info.fileName() };
+
+    m_type = ResourceType::UNKNOWN;
+
+    m_internal_id = file_name;
+
+    if (m_file_info.isDir()) {
+        m_type = ResourceType::FOLDER;
+        m_name = file_name;
+    } else if (m_file_info.isFile()) {
+        if (file_name.endsWith(".disabled"))
+            file_name.chop(9);
+
+        if (file_name.endsWith(".zip") || file_name.endsWith(".jar")) {
+            m_type = ResourceType::ZIPFILE;
+            file_name.chop(4);
+        } else if (file_name.endsWith(".litemod")) {
+            m_type = ResourceType::LITEMOD;
+            file_name.chop(8);
+        } else {
+            m_type = ResourceType::SINGLEFILE;
+        }
+
+        m_name = file_name;
+    }
+
+    m_changed_date_time = m_file_info.lastModified();
+}
+
+bool Resource::destroy()
+{
+    m_type = ResourceType::UNKNOWN;
+    return FS::deletePath(m_file_info.filePath());
+}