Version 0.3.0

What's Changed

• Reformat with clang-format by @sbooth in #8
• Add clang-format check workflow by @sbooth in #9
• Rename enclosing namespace to cxxcf by @sbooth in #10
• Rename release to leak by @sbooth in #12
• Apply clang-tidy suggestions by @sbooth in #11
• Remove trailing return types for clarity by @sbooth in #14
• Rename enclosing namespace to cf by @sbooth in #13
• Update workflow permissions by @sbooth in #15
• Add InsertBraces to .clang-format by @sbooth in #16
• Update .clang-format by @sbooth in #18
• Fix warnings from -pedantic by @sbooth in #19
• Update cSettings to cxxSettings by @sbooth in #21
• Remove cxxSettings by @sbooth in #22
• Reinstate _Nullable and _Nonnull by @sbooth in #23
• Add .editorconfig by @sbooth in #24
• Reword comment by @sbooth in #25
• Use most LLVM formatting defaults by @sbooth in #26
• Remove formatting test code by @sbooth in #27
• Explicitly check against nullptr for boolean logic by @sbooth in #28

Full Changelog: 0.2.0...0.3.0