tools: add install.ps1, export.ps1

Closes IDF-855

install.ps1

@@ -0,0 +1,22 @@
+if ($env:MSYSTEM -ne $null) {
+    Write-Output "This .ps1 file is for Windows Powershell only. When using MSYS, run:`n. ./export.sh."
+    exit 1
+}
+
+
+$IDF_PATH = $PSScriptRoot
+
+
+Write-Output "Installing ESP-IDF tools"
+Start-Process -Wait -NoNewWindow -FilePath "python.exe" -Args "$IDF_PATH/tools/idf_tools.py install"
+if ($LASTEXITCODE -ne 0)  { exit $LASTEXITCODE } # if error
+
+Write-Output "Setting up Python environment"
+Start-Process -Wait  -NoNewWindow -FilePath "python.exe" -Args "$IDF_PATH/tools/idf_tools.py install-python-env"
+if ($LASTEXITCODE -ne 0)  { exit $LASTEXITCODE} # if error
+
+
+Write-Output "
+All done! You can now run:
+    export.ps1
+"