add check.sh for checking if the softwares are installed

zsh/check.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+# check for git
+if ! command -v git >/dev/null 2>&1; then
+    echo "Git is not installed."
+fi
+
+# check for python
+if ! command -v python >/dev/null 2>&1; then
+    echo "Python is not installed."
+fi
+
+# check for rust
+if ! command -v cargo >/dev/null 2>&1; then
+    echo "Rust is not installed."
+fi
+
+# check for verilator
+if ! command -v verilator >/dev/null 2>&1; then
+    echo "Verilator is not installed."
+fi
+
+# check for iverilog
+if ! command -v iverilog >/dev/null 2>&1; then
+    echo "iverilog is not installed."
+fi
+
+# check for OpenJDK
+if ! command -v javac >/dev/null 2>&1; then
+    echo "OpenJDK is not installed."
+fi
+
+# check for sbt
+if ! command -v sbt >/dev/null 2>&1; then
+    echo "sbt is not installed."
+fi