…lated-posts into develop

…earing

…prefix

- Replace parent_base check with screen base check for better accuracy
- Prevents duplicate settings notices on WordPress settings pages
- Updated in all class-settings-api.php files across repositories

…stency

- Remove @fs_premium_only annotations and Update URI from main plugin file
- Update plugin name from 'Contextual Related Posts Pro' to 'Contextual Related Posts'
- Remove includes/pro/ directory
- Remove Freemius conditional initialization from class-main.php
- Update language files to reference free plugin version and support URLs
- Update composer.json and package.json names to remove -pro suffix
- Add GitHub issue templates (bug_report.md, feature_request.md)
- Fix version inconsistencies between header and constants
- Remove pro-specific references from language files