feat: Add table support to Markdown-ProseMirror converter

- Tables now render properly in Outline Wiki
- Parses Markdown table syntax (| Col1 | Col2 |)
- Converts to ProseMirror table structure with tr, th, td nodes
- First row becomes header cells (th)
- Bidirectional: tables also convert back to Markdown
- v1.3.16

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

CHANGELOG.md

@@ -2,6 +2,21 @@
 
 All notable changes to this project will be documented in this file.
 
+## [1.3.16] - 2026-02-01
+
+### Added
+
+- **Table Support in Markdown Converter:** Tables now render properly in Outline
+  - Parses Markdown table syntax (`| Col1 | Col2 |`)
+  - Converts to ProseMirror table structure with `table`, `tr`, `th`, `td` nodes
+  - Supports header rows (first row becomes `th` elements)
+  - Handles variable column counts with proper padding
+  - Bidirectional: ProseMirror tables also convert back to Markdown
+
+### Fixed
+
+- **Checkbox List:** Already supported but confirmed working with `checkbox_list` and `checkbox_item` node types
+
 ## [1.3.15] - 2026-01-31
 
 ### Fixed