fixed lint issue: added newline at end of readme.md file

Author: jatin

README.md

@@ -86,4 +86,4 @@ SELECT min_by(x, y) FROM VALUES (1, 10), (2, 5), (3, 15), (4, 8) as tab(x, y);
 - [x] `min_by(expression1, expression2) -> scalar` - Returns the value of `expression1` associated with the minimum value of `expression2`.
 - [x] `skewness(expression) -> scalar` - Computes the skewness value for `expression`.
 - [x] `kurtois_pop(expression) -> scalar` - Computes the excess kurtosis (Fisher’s definition) without bias correction.
-- [x] `kurtosis(expression) -> scalar` - Computes the excess kurtosis (Fisher’s definition) with bias correction according to the sample size.
+- [x] `kurtosis(expression) -> scalar` - Computes the excess kurtosis (Fisher’s definition) with bias correction according to the sample size.