DOCSP-30315: add appropriate redirects for converters and data formats pages (#126)

Author: Chris Cho

config/redirects

@@ -42,3 +42,5 @@ raw: ${prefix}/ -> ${base}/current/
 [*-v1.2]: ${prefix}/${version}/source/source-connector/usage-examples/schema/ -> ${base}/${version}/
 [*-v1.2]: ${prefix}/${version}/source/introduction/data-formats/ -> ${base}/${version}/
 [*-v1.2]: ${prefix}/${version}/source/introduction/converters/ -> ${base}/${version}/
+[*-v1.2]: ${prefix}/${version}/introduction/data-formats/ -> ${base}/${version}/
+[*-v1.2]: ${prefix}/${version}/introduction/converters/ -> ${base}/${version}/