Create biergarten brewery pipeline project (#199)

pipeline/includes/json_handling/json_loader.h

@@ -0,0 +1,22 @@
+#ifndef BIERGARTEN_PIPELINE_INCLUDES_JSON_HANDLING_JSON_LOADER_H_
+#define BIERGARTEN_PIPELINE_INCLUDES_JSON_HANDLING_JSON_LOADER_H_
+
+/**
+ * @file json_handling/json_loader.h
+ * @brief Loader API for curated location data.
+ */
+
+#include <filesystem>
+#include <vector>
+
+#include "data_model/location.h"
+
+/// @brief Loads curated world locations from a JSON file into memory.
+class JsonLoader {
+ public:
+  /// @brief Parses a JSON array file and returns all location records.
+  static std::vector<Location> LoadLocations(
+      const std::filesystem::path& filepath);
+};
+
+#endif  // BIERGARTEN_PIPELINE_INCLUDES_JSON_HANDLING_JSON_LOADER_H_