Taking v1 as the first release (#92)

- file reading
- decoding master file

tests/test.cpp

@@ -0,0 +1,21 @@
+#include "test_config.hpp"
+#include <catch2/catch_test_macros.hpp>
+#include <climits>
+#include <filesystem>
+#include <fstream>
+
+TEST_CASE("Test suite can find data assets") {
+    auto fpath = test_data_path() / "numpy" / "test_numpy_file.npy";
+    REQUIRE(std::filesystem::exists(fpath));
+}
+
+TEST_CASE("Test suite can open data assets") {
+    auto fpath = test_data_path() / "numpy" / "test_numpy_file.npy";
+    auto f = std::ifstream(fpath, std::ios::binary);
+    REQUIRE(f.is_open());
+}
+
+TEST_CASE("Test float32 and char8") {
+    REQUIRE(sizeof(float) == 4);
+    REQUIRE(CHAR_BIT == 8);
+}