IBX-111154: New recommendations blocks described

[julitafalcondusza]

Question	Answer
JIRA Ticket	(https://github.com/ibexa/connector-raptor/pull/61) (https://github.com/ibexa/connector-raptor/pull/58)
Versions	4.6+
Edition	all

New recommendations blocks described in User doc:

• Items of Customized Feeds sorted by personal preferences and popularity or trendiness (https://github.com/ibexa/connector-raptor/pull/61)
• Merchandising content sorted by personal preferences and popularity (https://github.com/ibexa/connector-raptor/pull/58)

Checklist

• Text renders correctly
• Text has been checked with vale
• Description metadata is up to date
• Redirects cover removed/moved pages
• Added link to this PR in relevant JIRA ticket or code PR

[github-actions]

Preview of modified files

Preview of modified Markdown:

• docs/recommendations/raptor_integration/raptor_recommendation_blocks.md