Matrixprofile

- Code linting.
- Added Salient Subsequences search.

- Added SiMPle (Fast Similarity Matrix Profile for Music Analysis and
Exploration).
- Added FLUSS (Fast Low-cost Unipotent Semantic Segmentation).
- Added \[find\_chains()\] to look for chains primitives.
- Added Multivariate MOTIF Search (from mSTOMP)
- Changed dependency from beepr to audio (actually beepr depends on
audio, so fewer dependencies).
- Added a `NEWS.md` file to track changes to the package.

- Added Multivariate STOMP parallel version.
- Added SDTS algorithm (Scalable Dictionary learning for Time Series).

- STAMP and STAMP parallel Algorithm.
- Multivariate STOMP algorithm.
- MASS algorithm.