feat(analyzer): update AnalyzedCommit to add flexibility in parsing a message

This provides flexibility of parsing and rendering structured messages
with more detail in the changelog and helps extract metadata from the 
message. The new structure can be used to split a message in multiple 
blocks (e.g. footer)

pkg/semanticrelease/semantic-release.go

@@ -39,7 +39,7 @@ func New(c *config.ReleaseConfig, repository string, checkConfig bool) (*Semanti
 		return nil, err
 	}
 
-	analyzer, err := analyzer.New(c.CommitFormat, c.Changelog)
+	analyzer, err := analyzer.New(c.CommitFormat, c.Analyzer, c.Changelog)
 	if err != nil {
 		return nil, err
 	}