docs: update changelog with Zod schemas, next-pwa fix, and server-side validation refact

Author: shayla-develops-webs

CHANGELOG.md

@@ -147,6 +147,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ### Added
 
+- Added Zod validation schemas for newsletter and contact forms
 - Added Faith to 'about us'
 - Updated Mariana's title in 'about us'
 - Updated outdated dependencies
@@ -157,6 +158,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ### Fixed
 
+- Fixed next-pwa import syntax for v2.x compatibility
 - Updated husky script to avoid warning
 - Resolved incorrect meta tag rendering for nested routes
 - Prevent horizontal page scroll caused by overflowing long titles
@@ -170,6 +172,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ### Changed
 
+- Replaced manual server-side validation in validateReCaptcha with shared Zod schemas
 - Migrating styles from Styled Components to CSS Modules
   - ContactUsCards
   - ContactUsForm