System and Development Environment Updates

Changelog:
- Applied fixes for system apps with the latest `nixpkgs` update.
- Updated `wezterm` to the latest Git version and refreshed its configuration.
- Optimized Rust Cargo template.
- Added several new Language Server Protocols (LSPs).
- Introduced new Rust targets to the environment.
- Added `pwgen`, `pwgen-secure`, and `git-secrets` packages.
- Added `gcc`, `clang`, `lld`, `lldb`, and `musl` packages for compiling and debugging.

nixos/rust.nix

@@ -8,7 +8,6 @@
 
   environment.systemPackages = with pkgs; [
     (rust-bin.fromRustupToolchainFile ./rust-toolchain.toml)
-    lldb_16
     taplo #toml formatter & lsp
     cargo-watch
     cargo-deny