[v1.37] Tokenization improvements

[g-despot]

Summary

• Accent folding: Document new textAnalyzer.asciiFold and asciiFoldIgnore property-level config for normalizing accented Latin characters to ASCII equivalents during indexing and querying.
• Custom and per-property stopwords: Document invertedIndexConfig.stopwordPresets for named stopword lists and textAnalyzer.stopwordPreset for per-property overrides.
• Tokenize endpoint: Document POST /v1/tokenize (freeform) and POST /v1/schema/{class}/properties/{prop}/tokenize (property-based) endpoints for testing tokenization.

Pages modified

• concepts/indexing/inverted-index.md — New accent folding section, expanded stop words
• concepts/search/keyword-search.md — Cross-links to new features
• config-refs/indexing/inverted-index.mdx — stopwordPresets, textAnalyzer, and tokenize endpoint reference
• tutorials/tokenization.md — Examples 4 (accent folding), 5 (custom stopwords), 6 (tokenize endpoint)

[orca-security-eu]

Orca Security Scan Summary

Status	Check	Issues by priority
Passed	Infrastructure as Code	0   0   0   0	View in Orca
Passed	SAST	0   2   0   0	View in Orca
Passed	Secrets	0   0   0   0	View in Orca
Passed	Vulnerabilities	0   0   0   0	View in Orca

🛡️ The following SAST misconfigurations have been detected

	NAME	FILE
	Missing Timeout in Requests Module Can Cause DoS	...tokenize_endpoint.py	View in code
	Missing Timeout in Requests Module Can Cause DoS	...tokenize_endpoint.py	View in code

[orca-security-eu]

Orca Security Scan Summary

Status	Check	Issues by priority
Passed	Secrets	0   0   0   0	View in Orca