add shebang to all .ps1

_webi/bootstrap.ps1

@@ -1,3 +1,5 @@
+#!/usr/bin/env pwsh
+
 # If a command returns an error, halt the script.
 $ErrorActionPreference = 'Stop'
 

_webi/template.ps1

@@ -1,4 +1,6 @@
-# If a command returns an error, halt the script.
+#!/usr/bin/env pwsh
+
+# If a command returns an error, halt the script.
 $ErrorActionPreference = 'Stop'
 
 # Ignore progress events from cmdlets so Invoke-WebRequest is not painfully slow

_webi/webi.ps1

@@ -1,4 +1,6 @@
-# If a command returns an error, halt the script.
+#!/usr/bin/env pwsh
+
+# If a command returns an error, halt the script.
 $ErrorActionPreference = 'Stop'
 
 # Ignore progress events from cmdlets so Invoke-WebRequest is not painfully slow

node/install.ps1

@@ -1,5 +1,6 @@
-# Fetch archive
+#!/usr/bin/env pwsh
 
+# Fetch archive
 IF (!(Test-Path -Path "$Env:USERPROFILE\Downloads\$Env:WEBI_PKG_FILE"))
 {
     # TODO: arch detection

pathman/install.ps1

@@ -1 +1,3 @@
+#!/usr/bin/env pwsh
+
 curl.exe -fsSL -A "$Env:WEBI_UA" "https://rootprojects.org/pathman/dist/windows/amd64/pathman.exe" -o "$Env:USERPROFILE\.local\bin\pathman.exe"

vps-myip/install.ps1

@@ -1,3 +1,5 @@
+#!/usr/bin/env pwsh
+
 $ipv4 = curl.exe -sf https://api.ipify.org
 
 IF(!($ipv4 -eq $null -or $ipv4 -eq "")) {

webi/install.ps1

@@ -1 +1,3 @@
+#!/usr/bin/env pwsh
+
 # do nothing because this is a special case