Rename "Aggregations" category into "Transformations"

I think that name gives a better idea of what those rules do.

Signed-off-by: Henrique Moody <henriquemoody@gmail.com>

docs/08-list-of-rules-by-category.md

@@ -1,9 +1,5 @@
 # List of rules by category
 
-## Aggregations
-
-- [Min](rules/Min.md)
-
 ## Arrays
 
 - [ArrayType](rules/ArrayType.md)
@@ -249,6 +245,12 @@
 - [KeySet](rules/KeySet.md)
 - [Property](rules/Property.md)
 
+## Transformations
+
+- [Call](rules/Call.md)
+- [Each](rules/Each.md)
+- [Min](rules/Min.md)
+
 ## Types
 
 - [ArrayType](rules/ArrayType.md)

docs/rules/Call.md

@@ -44,6 +44,7 @@ v::call(
 
 - Callables
 - Nesting
+- Transformations
 
 ## Changelog
 

docs/rules/Each.md

@@ -35,6 +35,7 @@ v::notEmpty()->each(v::dateTime())->validate([]); // false
 
 - Arrays
 - Nesting
+- Transformations
 
 ## Changelog
 

docs/rules/Min.md

@@ -25,14 +25,14 @@ This rule uses PHP's [min][] function to compare the input against the given rul
 
 ## Categorization
 
-- Aggregations
 - Comparisons
+- Transformations
 
 ## Changelog
 
 | Version | Description                 |
 |--------:|-----------------------------|
-|   3.0.0 | Became an aggregation       |
+|   3.0.0 | Became a transformation     |
 |   2.0.0 | Became always inclusive     |
 |   1.0.0 | Became inclusive by default |
 |   0.3.9 | Created                     |