Documentation
* docs: add example for histogram macthing ([`f73d1c3`](https://github.com/Preet-Sojitra/imgcv/commit/f73d1c332261a0b2c204b067aa11437d46b72a1c))
* docs: add example of equalization for color images ([`7f20309`](https://github.com/Preet-Sojitra/imgcv/commit/7f20309c00f632883bbe34e6b6dc39d885bdc730))
Feature
* feat(histogram): add histogram matching ([`6317180`](https://github.com/Preet-Sojitra/imgcv/commit/631718004e6f97b5a74f95cc75abedfc7b34e489))
* feat(histogram): add equalization for color images ([`a0403f5`](https://github.com/Preet-Sojitra/imgcv/commit/a0403f55c7c747c0333292a2974e0e07078bfb4f))