tomli/tomllib compatibility layer added.

python version requirement changed.
updated installation instructions

tomli added as runtime dependency if py ver < 3.11

minor version bump.

vmcompact/configurations.py

@@ -1,6 +1,9 @@
 from pathlib import Path
 
-import tomllib
+try:
+    import tomllib
+except ModuleNotFoundError:
+    import tomli as tomllib
 
 configuration = {}