Libqasm

Added

- cQasm 3.0 parser: implemented variable declaration and initialization for `bool`, `int`, and `float`
(simple and array), and `axis` types.

Changed

- `v3x::AnalyzeTreeGenAstVisitor` is an instance of `tree-gen` generated visitor base class.

Removed

- `msvc-runtime` pip dependency on Windows.

Added

Changed

- Fixed `upload-release-asset` steps in `.github/workflow/assets.yml`.
- Updated `RELEASE.md`.

Removed

Added

- cQasm 3.0 parser. MVP (Minimum Viable Product) implemented. Extended v3 is a WIP.
- Conan as package manager.
- res folder for resources.

Changed

- Different upgrades: C++20, CMake 3.12, Python 3.8 to 3.12.
- GitHub workflows and jobs.
- File reorganization to accommodate v3 parser: v10, v1x, and v3x folders. tests folder is now called test.

Removed

- Git submodules.
- GitHub Conda job.
- CMake folder.