also:
- fixed parser not handling floats with leading '.' characters
- added `TOML_PARSER` configuration option
- added `TOML_LIB_SINGLE_HEADER` indicator
- moved parse_error and the utf8 stream machinery to separate headers
- updated catch2
new file: .editorconfig
new file: .gitattributes
new file: .gitignore
new file: .gitmodules
new file: LICENSE
new file: README.md
new file: examples/example.cpp
new file: examples/example.toml
new file: examples/meson.build
new file: include/toml++/toml.h
new file: include/toml++/toml_array.h
new file: include/toml++/toml_common.h
new file: include/toml++/toml_formatter.h
new file: include/toml++/toml_node.h
new file: include/toml++/toml_node_view.h
new file: include/toml++/toml_parser.h
new file: include/toml++/toml_table.h
new file: include/toml++/toml_utf8.h
new file: include/toml++/toml_utf8_generated.h
new file: include/toml++/toml_value.h
new file: meson.build
new file: python/ci_single_header_check.py
new file: python/generate_single_header.py
new file: python/generate_unicode_functions.py
new file: tests/catch2
new file: tests/catch2.h
new file: tests/lifetimes.cpp
new file: tests/main.cpp
new file: tests/meson.build
new file: tests/parsing_arrays.cpp
new file: tests/parsing_booleans.cpp
new file: tests/parsing_comments.cpp
new file: tests/parsing_dates_and_times.cpp
new file: tests/parsing_floats.cpp
new file: tests/parsing_integers.cpp
new file: tests/parsing_key_value_pairs.cpp
new file: tests/parsing_spec_example.cpp
new file: tests/parsing_strings.cpp
new file: tests/parsing_tables.cpp
new file: tests/tests.cpp
new file: tests/tests.h
new file: toml.hpp
new file: vs/.runsettings
new file: vs/example.vcxproj
new file: vs/test_char.vcxproj
new file: vs/test_char8.vcxproj
new file: vs/test_char8_noexcept.vcxproj
new file: vs/test_char_noexcept.vcxproj
new file: vs/test_strict_char.vcxproj
new file: vs/test_strict_char8.vcxproj
new file: vs/test_strict_char8_noexcept.vcxproj
new file: vs/test_strict_char_noexcept.vcxproj
new file: vs/toml++.natvis
new file: vs/toml++.props
new file: vs/toml++.sln
new file: vs/toml++.vcxproj
new file: vs/toml++.vcxproj.filters
