fix deps and add gitignore

.gitignore

@@ -0,0 +1,3 @@
+*.tar.zst
+penc
+pkg

PKGBUILD

@@ -1,14 +1,14 @@
 #!/usr/bin/env bash
 
 pkgname=penc
-pkgver=1.0.0
+pkgver=1.0.1
 pkgrel=1
 pkgdesc="parch linux encrypted compress"
 arch=("any")
 url="https://parchlinux.com/"
 license=("GPL")
 conflict=("${pkgname%}")
-depends=("zstd" "tar" "openssl")
+depends=("zstd" "tar" "openssl" "bc")
 build(){
     cd ${srcdir}
     amber main.ab penc