Rewrite for ESM only

• ci: disabling windows tests b7d38f4
• ci: attempt to fix spacing for windows a201cf3
• ci: fix imports to work on windows c9653af
• refactor: rename renderer dir to markdown_renderer 2de5611
• feat: esm only and almost a rewrite 4dd6e1c

v2.0.1...v3.0.0-0