Add information messsage for macOS users about PATH configuration + Require bash version 4 and higher to avoid syntax errors

Author: spbui00

docs/source/_static/install_dependencies.sh

@@ -117,6 +117,12 @@ readonly fedora_pkgs=(
     #           libsm6 libxext6 libgl1-mesa-glx
 )
 
+# Check Bash version
+if [[ "${BASH_VERSINFO:-0}" -lt 4 ]]; then
+    echo "This script requires Bash 4.0 or higher. You are using Bash ${BASH_VERSION}. Please upgrade your Bash version."
+    exit 1
+fi
+
 print_action () {
     green="\e[0;32m"
     reset="\e[0;0m"

docs/source/_static/install_depthai.sh

@@ -159,6 +159,11 @@ if [[ $(uname -s) == "Darwin" ]]; then
   pip install pyqt5
   pip install packaging
 
+  # Inform macOS users about PATH changes
+  echo "DepthAI has been added to your PATH in .bashrc and .zshrc (if present)."
+  echo "If you prefer, you can manually add the following line to your .bash_profile for it to be recognized in login shells:"
+  echo "export PATH=\$PATH:$ENTRYPOINT_DIR"
+
 elif [[ $(uname -s) == "Linux" ]]; then
   echo _____________________________
   echo "Calling linux_installer.sh"