Implement a simple config file parser

Tests/SimpleConf/Comments.cpp

@@ -0,0 +1,15 @@
+#include <catch2/catch_test_macros.hpp>
+#include <Garbage/SimpleConf.hpp>
+
+TEST_CASE("Comments and empty lines are ignored")
+{
+    using Required = Garbage::SimpleConf::Required;
+    using LookupError = Garbage::SimpleConfImplementation::LookupError;
+
+    std::filesystem::path path("TestConfigs/Comments.conf");
+
+    Garbage::SimpleConf config(path);
+
+    REQUIRE_THROWS_AS((config.Get<std::string, Required>("this shouldn't")), LookupError);
+    REQUIRE(config.Get<std::string, Required>("while this") == "is accessible");
+}