feat: add lspce, slint viewer and lsp

ruther: Remove vhdl-ls.

Now it's in guix channel.

ruther: Remove ripgrep-all.

Now it's in guix channel.

fix: ripgrep-all package

feat: use new rust packaging with ruther packages

fix: import modules for warning in rust-crates

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