Update nix shell and compress-images to work properly

compress-images.sh

@@ -1,17 +1,3 @@
-#!/bin/bash
+find ./dist \( -iname "*.jpg" -o -iname "*.jpeg" \) | jpegoptim -p -P --files-stdin -w $(nproc --all)
+oxipng -o max -a -r ./dist
 
-if command -v jpegoptim >/dev/null 2>&1 ; then
-    echo "jpegoptim found"
-    find ./dist \( -iname "*.jpg" -o -iname "*.jpeg" \) | jpegoptim -p -P --files-stdin -w $(nproc --all)
-else
-    echo "jpegoptim was not found! install either with your package manager or get the binary from the github"
-    echo "https://github.com/tjko/jpegoptim/releases/latest"
-fi
-
-if command -v oxipng >/dev/null 2>&1 ; then
-    echo "oxipng found"
-    oxipng -o max -a -r ./dist
-else
-    echo "oxipng was not found! install with your package manager, cargo or get the binary from the github"
-    echo "https://github.com/shssoichiro/oxipng/releases/latest"
-fi

shell.nix

@@ -7,5 +7,8 @@ pkgs.mkShell {
     pkgs.nodejs
     pkgs.pnpm
     pkgs.biome
+    pkgs.oxipng
+    pkgs.jpegoptim
+    pkgs.croc
   ];
 }