Implement ruby script to fill VPN profile

Scripts/fill_vpn_profile.rb

@@ -0,0 +1,33 @@
+environment_file = File.join(ENV["SRCROOT"], "Scripts", "environment.rb")
+if File.exist?(environment_file)
+  require "#{environment_file}"
+end
+
+require "erb"
+
+if ENV["OPENVPN_USERNAME"].nil? || ENV["OPENVPN_PASSWORD"].nil? || ENV["OPENVPN_CONFIGURATION"].nil?
+  puts "warning: VPN profile data is missing, you need to fill VPNProfile.swift manually."
+  exit(true)
+end
+
+template_file = File.join(ENV["SRCROOT"], "Scripts", "vpn_profile_template.erb")
+unless File.exist?(template_file)
+  puts "error: Template file does not exist."
+  exit(false)
+end
+
+output_file = File.join(ENV["SRCROOT"], "Tests", "VPNProfile.swift")
+unless File.exist?(output_file)
+  puts "error: Output file does not exist."
+  exit(false)
+end
+
+OPENVPN_USERNAME = ENV["OPENVPN_USERNAME"]
+OPENVPN_PASSWORD = ENV["OPENVPN_PASSWORD"]
+OPENVPN_CONFIGURATION = ENV["OPENVPN_CONFIGURATION"]
+
+template_content = File.read(template_file)
+erb_template = ERB.new(template_content, nil, ">")
+
+result = erb_template.result
+File.write(output_file, result)