feat: Added Base64 provider

plugins/builtin/include/content/providers/base64_provider.hpp

@@ -0,0 +1,25 @@
+#pragma once
+
+#include <content/providers/file_provider.hpp>
+
+namespace hex::plugin::builtin {
+
+    class Base64Provider : public FileProvider {
+    public:
+        explicit Base64Provider() = default;
+        ~Base64Provider() override = default;
+
+        void readRaw(u64 offset, void *buffer, size_t size) override;
+        void writeRaw(u64 offset, const void *buffer, size_t size) override;
+        [[nodiscard]] u64 getActualSize() const override { return (3 * m_file.getSize()) / 4; }
+
+        void resizeRaw(u64 newSize) override;
+        void insertRaw(u64 offset, u64 size) override;
+        void removeRaw(u64 offset, u64 size) override;
+
+        [[nodiscard]] std::string getTypeName() const override {
+            return "hex.builtin.provider.base64";
+        }
+    };
+
+}