fix(csv-loader): use commas in generated type declarations

Update `type-gen.ts` to replace semicolons with commas in the
generated TypeScript type definitions to ensure valid syntax.

src/csv-loader/type-gen.ts

@@ -6,15 +6,14 @@ function resolveReferencesInSchemaString(
   schemaString: string,
   resourceNames: Map<string, string>,
 ): string {
-  return schemaString.replace(
-    /@([a-zA-Z0-9\-_]+)(\[\])?/g,
-    (_match, tableName, arraySuffix) => {
+  return schemaString
+    .replace(/@([a-zA-Z0-9\-_]+)(\[\])?/g, (_match, tableName, arraySuffix) => {
       const typeName =
         resourceNames.get(tableName) ||
         tableName.charAt(0).toUpperCase() + tableName.slice(1);
       return arraySuffix ? `${typeName}[]` : typeName;
-    },
-  );
+    })
+    .replace(/; ?/g, ", ");
 }
 
 /**