enhance windows and add linux launcher

tools/run_project_manager.ps1

@@ -10,9 +10,51 @@
 PS> .\run_project_manager.ps1
 
 #>
+
+$art = @"
+
+             . .   ..     .    ..
+        _oOOP3OPP3Op_. .
+     .PPpo~.   ..   ~2p.  ..  ....  .  .
+    .Ppo . .pPO3Op.. . O:. . . .
+   .3Pp . oP3'. 'P33. . 4 ..   .  .   . .. .  .  .
+  .~OP    3PO.  .Op3    : . ..  _____  _____  _____
+  .P3O  . oP3oP3O3P' . . .   . /    /./    /./    /
+   O3:.   O3p~ .       .:. . ./____/./____/ /____/
+   'P .   3p3.  oP3~. ..P:. .  . ..  .   . .. .  .  .
+  . ':  . Po'  .Opo'. .3O. .  o[ by Pype Club ]]]==- - - .  .
+    . '_ ..  .    . _OP3..  .  .https://openpype.io.. .
+         ~P3.OPPPO3OP~ . ..  .
+           .  ' '. .  .. . . . ..  .
+
+"@
+
+Write-Host $art -ForegroundColor DarkGreen
+
 $current_dir = Get-Location
 $script_dir = Split-Path -Path $MyInvocation.MyCommand.Definition -Parent
 $openpype_root = (Get-Item $script_dir).parent.FullName
+
+$env:_INSIDE_OPENPYPE_TOOL = "1"
+
+# make sure Poetry is in PATH
+if (-not (Test-Path 'env:POETRY_HOME')) {
+    $env:POETRY_HOME = "$openpype_root\.poetry"
+}
+$env:PATH = "$($env:PATH);$($env:POETRY_HOME)\bin"
+
 Set-Location -Path $openpype_root
+
+Write-Host ">>> " -NoNewline -ForegroundColor Green
+Write-Host "Reading Poetry ... " -NoNewline
+if (-not (Test-Path -PathType Container -Path "$openpype_root\.poetry\bin")) {
+    Write-Host "NOT FOUND" -ForegroundColor Yellow
+    Write-Host "*** " -NoNewline -ForegroundColor Yellow
+    Write-Host "We need to install Poetry create virtual env first ..."
+    & "$openpype_root\tools\create_env.ps1"
+} else {
+    Write-Host "OK" -ForegroundColor Green
+}
+
 & poetry run python "$($openpype_root)\start.py" projectmanager
 Set-Location -Path $current_dir