moved functions code to separate files

src/toml_parse/toml_parse_datetime.c

@@ -0,0 +1,12 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "toml_internal.h"
+
+TomlValue toml_parse_datetime(str s)
+{
+    (void)s;
+    //TODO: parse datetime
+    return TomlValue_new(TLIBTOML_DATETIME);
+}