Adding Changelog entry.

Author: christianparpart

Changelog.md

@@ -9,6 +9,7 @@ Language Features:
 Compiler Features:
  * Code Generator: More efficient overflow checks for multiplication.
  * Yul Optimizer: Simplify the starting offset of zero-length operations to zero.
+ * Language Server: Add configuration option to apply custom remappings via ``remappings`` in the LSP settings object.
  * Language Server: Analyze all files in a project by default (can be customized by setting ``'file-load-strategy'`` to ``'directly-opened-and-on-import'`` in LSP settings object).