rename header files from *.h to *.hpp

src/messages/limitedqueuesnapshot.hpp

@@ -0,0 +1,38 @@
+#pragma once
+
+#include <memory>
+#include <vector>
+
+namespace chatterino {
+namespace messages {
+
+template <typename T>
+class LimitedQueueSnapshot
+{
+public:
+    LimitedQueueSnapshot(std::shared_ptr<std::vector<T>> vector, int offset, int size)
+        : _vector(vector)
+        , _offset(offset)
+        , _length(size)
+    {
+    }
+
+    int getSize()
+    {
+        return _length;
+    }
+
+    T const &operator[](int index) const
+    {
+        return _vector->at(index + _offset);
+    }
+
+private:
+    std::shared_ptr<std::vector<T>> _vector;
+
+    int _offset;
+    int _length;
+};
+
+}  // namespace messages
+}  // namespace chatterino