Rio-tiler

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- restore Mkdocs search bar (255)
- Allow class (not just instance) to be passed to pixel_selection (250)
- Add Binder link/badge to README (254)
- Add mkdocs-jupyter to show notebooks in website (253)
- Remove deprecated functions (247)
- Export modules from top-level package (246)
- Allow overwriting colormap with force=True (249)
- Pin black version (251)
- Add contributing.md (242)
- Add mkdocs config (240)
- Add `NPY` support in `rio_tiler.utils.render` to save tile in numpy binary format (256)
- Remove bare `Exception` and add more detailed errors (248)

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- raise specific `PointOutsideBounds` in rio_tiler.reader.point (236)

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- allow setting default kwargs in COGReader __init__ (227)
- allow `vrt_options` in COGReader.point
- add `rio_tiler.io.base.MultiBaseReader` class (225)
- refactor `rio_tiler.io.stac.STACReader` to use MultiBaseReader (225)
- add `rio_tiler.task` submodule to share tools for handling rio-tiler's future tasks.
- fix regex parsing for rio-tiler expression
- add warnings when assets/indexes is passed with expression option (233)

Breaking Changes:
- replace dataclass wiht attr to support more flexible class definition (see 225)

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- add `utils.create_cutline` helper (218)
- remove any mutable default argument

**depreciation**
- `warp_vrt_option` is replaced by `vrt_options` in rio_tiler.reader.part (221)

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- add more verbosity to mosaic error (214)

Breaking Changes:
- `rio_tiler.mosaic.reader.mosaic_reader` return `((tile, mask), assets_used)`
- `COGReader.info` is now a method instead of a property to align with other reader (211)

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- add rio_tiler.io.base.BaseReader abstract class for COGReader and STACReader to inherit from
- STACReader raises `InvalidAssetName` for invalid asset name or `MissingAssets` when no assets is passed (208)
- update rio_tiler.mosaic.reader.mosaic_reader to not use threadPool if threads <= 1 (207)

Breaking Changes:
- Reader.spatial_info is a property (203)
- assets is a keyword argument in STACReader stats/info/metadata