feat: algo semantic supports dbt Cloud

[il-dat]

resolves #117

Description

• Add GraphQL query to extract Semantic Models definition
• Add func to parse metadata to semantic algo module
• Update docs

Checklist

• [x] I have read the contributing guide and understand what's expected of me
• [x] I have run this code in development and it appears to resolve the stated issue
• [x] This PR includes tests, or tests are not required/relevant for this PR
• [x] I have opened an issue to add/update docs, or docs changes are not required/relevant for this PR