update CHANGELOG.md to point to the changelog directory

Signed-off-by: Rishi Mondal <mavrickrishi@gmail.com>

CHANGELOG.md

@@ -1,6 +1,3 @@
 # CHANGELOGs
 
-- [CHANGELOG-1.1.md](./docs/CHANGELOG/CHANGELOG-1.1.md)
-- [CHANGELOG-1.0.md](./docs/CHANGELOG/CHANGELOG-1.0.md)
-- [CHANGELOG-0.10.md](./docs/CHANGELOG/CHANGELOG-0.10.md)
-- [CHANGELOG-0.9.md](./docs/CHANGELOG/CHANGELOG-0.9.md)
+[CHANGELOG](./docs/CHANGELOG/)