feat: some updates

feat: Add make-environment

A procedure to make a package that encapsulates a profile.
This is to stop the propagation of propagated-inputs into a profile.
As an example, multiple python library versions can be used like this
inside of one profile, where each python library version is
encapsulated in a separate environment.

chore: formatting ripgrep-all

chore: Use gexp in dwlmsg

guix-shared-cache-service-type: Fix unbound variable

guix-shared-cache-service-type: Fix unbound variable

Improve shared guix cache

- Add -o nonempty option to make sure the service can run even with
users that already have a cache
- Rename the config with -config suffix

guix-shared-cache-service-type: share only some of the folders

ruther: Add guix-shared-cache-service-type

Share .guix/cache between multiple users to cut down on size
and time taken to reconfigure initially.

vhdl-ls: Remove comment

vhdl-ls: Do not install source

feat: ripgrep-all: Use new packaging workflow

fix: package vhdl-ls properly

Lang macros and lang should be taken out of the repo, not out of new crate-source's

feat: switch vhdl-ls to new rust packaging method

fixup! libiio

fix: libiio python bindings

chore: description of radio packages

feat: sdrangel with pluto sdr support

feat: add sdr++ with plutosdr support

feat: add wayfreeze