Add plugin permissions and IO API (#5231)

src/controllers/plugins/PluginPermission.hpp

@@ -0,0 +1,30 @@
+#pragma once
+#ifdef CHATTERINO_HAVE_PLUGINS
+
+#    include <QJsonObject>
+#    include <QString>
+
+#    include <vector>
+
+namespace chatterino {
+
+struct PluginPermission {
+    explicit PluginPermission(const QJsonObject &obj);
+
+    enum class Type {
+        FilesystemRead,
+        FilesystemWrite,
+    };
+    Type type;
+    std::vector<QString> errors;
+
+    bool isValid() const
+    {
+        return this->errors.empty();
+    }
+
+    QString toHtml() const;
+};
+
+}  // namespace chatterino
+#endif