Squashed commit of the following:

commit c5a0d0f7394aa742fa336fff7e7c1d3049761868
Merge: 8c4991ba3e f8ff8c8760
Author: William Cheng <wing328hk@gmail.com>
Date:   Tue Aug 17 18:28:12 2021 +0800

    Merge branch 'mustache-linting' of https://github.com/NathanBaulch/openapi-generator into NathanBaulch-mustache-linting

commit f8ff8c8760
Author: Nathan Baulch <nathan.baulch@gmail.com>
Date:   Thu Aug 5 14:12:47 2021 +1000

    Reorder tags that handle missing values

commit f5d8a33709
Author: Nathan Baulch <nathan.baulch@gmail.com>
Date:   Thu Aug 5 14:08:59 2021 +1000

    Use dot notation where possible

commit 493d14921e
Author: Nathan Baulch <nathan.baulch@gmail.com>
Date:   Thu Aug 5 14:10:49 2021 +1000

    Remove empty tags

commit 32480dc53f
Author: Nathan Baulch <nathan.baulch@gmail.com>
Date:   Thu Aug 5 10:41:58 2021 +1000

    Remove redundant sections

commit a8edabd722
Author: Nathan Baulch <nathan.baulch@gmail.com>
Date:   Wed Aug 4 22:02:22 2021 +1000

    Trim extra EOF new lines

commit e89bd7458e
Author: Nathan Baulch <nathan.baulch@gmail.com>
Date:   Wed Aug 4 21:59:26 2021 +1000

    Trim trailing whitespace

samples/client/petstore/powershell/src/PSPetstore/Private/PSHttpSignatureAuth.ps1

@@ -403,7 +403,7 @@ function ConvertTo-ECDSAANS1Format{
     )
 
     $derLength = 68 #default lenght for ECDSA code signinged bit 0x44
-    $rbytesLength = 32 #R length 0x20 
+    $rbytesLength = 32 #R length 0x20
     $sbytesLength = 32 #S length 0x20
     [byte[]]$rBytes = $signedBytes[0..31]
     [byte[]]$sBytes = $signedBytes[32..63]
@@ -424,11 +424,11 @@ function ConvertTo-ECDSAANS1Format{
 
     $derBytes += 48  # start of the sequence 0x30
     $derBytes += $derLength  # total length r lenth, type and r bytes
-    
+
     $derBytes += 2 # tag for integer
     $derBytes += $rbytesLength # length of r
     $derBytes += $rBytes
-    
+
     $derBytes += 2 #tag for integer
     $derBytes += $sbytesLength #length of s
     $derBytes += $sBytes