feat(vscodium): use unstable and nix-community extensions

nix/home-manager/programs/vscode/default.nix

@@ -18,7 +18,7 @@ in {
         #   sha256 = "1qc1qsahfx1nvznq4adplx63w5d94xhafngv76vnqjjbzhv991v2";
         # })
       ]
-      ++ (with pkgs.vscode-extensions; [
+      ++ (with pkgsVscodium.vscode-extensions; [
         bbenoist.nix
         eamodio.gitlens
         mkhl.direnv
@@ -29,7 +29,9 @@ in {
         ms-vscode.theme-tomorrowkit
         nonylene.dark-molokai-theme
 
+
         # TODO: these are not in nixpkgs
+
         # fredwangwang.vscode-hcl-format
         # hashicorp.hcl
         # mindaro-dev.file-downloader
@@ -37,7 +39,15 @@ in {
 
         # TODO: not compatible with vscodium
         # ms-vscode-remote.remote-ssh
-      ]);
+      ] ++ (let
+          extensions = repoFlake.inputs.nix-vscode-extensions.extensions.${pkgs.system};
+      in (with extensions.vscode-marketplace; [
+        tamasfe.even-better-toml
+
+        serayuzgur.crates
+        rust-lang.rust-analyzer
+        swellaby.vscode-rust-test-adapter
+      ])));
     mutableExtensionsDir = true;
   };