0.1.3

Centralized third-party source code in //third_party_base/ and separated it from our code.
- However, our Dart code and C++ code do not directly reference //third_party_base/, but instead access it through symbolic links from each third_party/ directory. This is due to limitations in Dart. Additionally, when uploading packages to Pub, //third_party_base/ is not uploaded, and instead symbolic links within each third_party/ directory are materialized into regular files. For more details, refer to third_party_base/README.md and create_symlinks_to_third_party.
ThirdPartyNotices.txt is now auto-generated by create_symlinks_to_third_party.
Changed the internal process of building the subprocess-executable. Previously, symbolic links were created to //linux/subprocess/src/* in the CEF binary distribution, but this has been discontinued. Please refer to //linux/README.md and //linux/CMakeLists.txt for details on the new build process.
Fixed build errors with clang 15.
Improvements to the documentation.

0.1.2

Fix the broken GIF image links in README.md.
- (Increase the patch version to reflect the fixed README in pub.dev.)