Docs: CHANGELOG

CHANGELOG.md

@@ -1,7 +1,14 @@
-## Contributors
-
-- **[@mstraube](https://github.com/mstraube)**
-
-## Ascii
-
-- Update Parabola logo. **[@mstraube](https://github.com/mstraube)**
+## Contributors
+
+- **[@mstraube](https://github.com/mstraube)**
+
+
+## Ascii
+
+- Update Parabola logo. **[@mstraube](https://github.com/mstraube)**
+
+
+## Images
+
+- Added `libsixel` backend.
+- Only use a zero width space in the `w3m` backend.