Update CHANGELOG

Signed-off-by: Ayush Joshi <[email protected]>

CHANGELOG.md

@@ -1,5 +1,33 @@
 # Changelog
 
+## ai — 2023-12-09
+
+### Added
+
+- Added tests for `LogisticRegression` ([#4f5c12f](https://www.github.com/joshiayush/ai/commit/4f5c12f))
+- Added documentation to `Not` class that represents the `¬` (not) symbol in a propositional logic (PL) ([#429f1f1](https://www.github.com/joshiayush/ai/commit/429f1f1))
+
+### Fixed
+
+- Fixed calculation for `weights` and `bias` in logistic regression ([#b65ae16](https://www.github.com/joshiayush/ai/commit/b65ae16))
+- Fixed logical error in calculating the derivatives of `weights` and `bias` in linear regression ([#aa46cfe](https://www.github.com/joshiayush/ai/commit/aa46cfe))
+
+### Removed
+
+- Removed mathematical function `proportion` which serves no use for `ai` ([#6fe7d8c](https://www.github.com/joshiayush/ai/commit/6fe7d8c))
+
+## docs — 2023-12-09
+
+### Added
+
+- Added concept of `Linear Unit`, `Layers`, `Stacking Dense Layers`, and `Dropout and Batch Normalization` to `Neural Networks` ([#64337d7](https://www.github.com/joshiayush/ai/commit/64337d7))
+- Added a __Support Vector Machine__ model trained for face recognition ([#e3bfaae](https://www.github.com/joshiayush/ai/commit/e3bfaae))
+
+### Fixed
+
+- Fixed giagantic image size problem ([#1aa4379](https://www.github.com/joshiayush/ai/commit/1aa4379))
+
+
 ## ai — 2023-11-22
 
 ### Added