docs(general): keep up the changelog and README (#720)

Author: jcs090218

CHANGELOG.org

@@ -1,8 +1,8 @@
 * Changelog
+
 ** Unreleased
    - Disable sideline code actions and doc on cursor hover to reduce noise features.
-
-** 8.0.1
+   - Allow customisation for the imenu buffer position (#718)
    - Fix sideline alignment with text-scale (#719)
 
 ** 8.0.0

README.md

@@ -108,6 +108,8 @@ Show imenu entries.
 
 Customization:
 
+- `lsp-ui-imenu-kind-position` place to show entries kind
+- `lsp-ui-imenu-buffer-position` place to show the buffer window
 - `lsp-ui-imenu-window-width` set window width
 - `lsp-ui-imenu--custom-mode-line-format` mode line format
 - `lsp-ui-imenu-auto-refresh` auto refresh when necessary