added pipx and yamllint

images/macos/provision/core/pipx-packages.sh

@@ -0,0 +1,25 @@
+source ~/utils/utils.sh
+
+export PATH="$PATH:/opt/pipx_bin"
+
+toolset=get_toolset_path
+pipx_packages=$(jq -r ".pipx[] .package" $toolset)
+
+for package in $pipx_packages; do
+    python_version=$(jq -r ".pipx[] | select(.package == \"$package\") .python" $toolset)
+    if [ "$python_version" != "null" ]; then
+        python_path="/opt/hostedtoolcache/Python/$python_version*/x64/bin/python$python_version"
+        echo "Install $package into python $python_path"
+        pipx install $package --python $python_path
+    else
+        echo "Install $package into default python"
+        pipx install $package
+    fi
+
+    # Run tests to determine that the software installed as expected
+    cmd=$(jq -r ".pipx[] | select(.package == \"$package\") .cmd" $toolset)
+    if ! command -v $cmd; then
+        echo "$package was not installed"
+        exit 1
+    fi
+done