Switch datetime handling, var handling to corelibs libraries

Use external corelib libraries for datetime handling and var handling enum base.

README.md

@@ -4,6 +4,7 @@
 > This is pre-production, location of methods and names of paths can change
 >
 > This will be split up into modules per file and this will be just a collection holder
+> See [Deprecated](#deprecated) below
 
 This is a pip package that can be installed into any project and covers the following parts
 
@@ -42,6 +43,15 @@ This is a pip package that can be installed into any project and covers the foll
 - csv_handling/csv_interface: The CSV DictWriter interface is just in a very basic way implemented
 - script_handling/script_helpers: No idea if there is need for this, tests are written but not finished
 
+## Deprecated
+
+All content in this module will move to stand alone libraries, as of now the following entries have moved and will throw deprecated warnings if used
+
+- var_handling.enum_base: corelibs-enum-base
+- var_handling.var_helpers: corelibs-var
+- datetime_handling: corelibs-datetime
+- string_handling.text_colors: corelibs-text-colors
+
 ## UV setup
 
 uv must be [installed](https://docs.astral.sh/uv/getting-started/installation/)