Sharqit

Added
- support polarities of control qubits
Fixed
- a bug about the rotation gate merging

Added
- python package: 'show' method of Optimizer class
- python package: 'add_qcirc' method of QCirc class and '+', '+=' operator
- circuit file format: support 3-qubbit gate (CCX, CCZ)
Changed
- pip install for python package

Added
- python package: add_random, add_qgate, get_qgate, and get_qgates methods to QCirc class
- python package: QGate class, QGateKind enumeration
- Dockerfile
Fixed
- c++ library: add_random function of QCirc class - bug of random gate generation

Added
- python sdk
Changed
- project name: sharq -> sharqit
- command name: sharq -> sharqit
- library name: libsharq.so -> libshrqt.so
- insall location of header files: ~/include/ -> ~/include/sharqit/
- Optimizer::execute -> Optimizer::reduce_gates

Added
- tutorial (japanese)
- doxygen documents

Added
- rule based gate reduction and rotation gate merging using phase polynomials