Ensure signing certificates are not included in build output

Author: pimterry

.gitignore

@@ -2,4 +2,4 @@ node_modules
 out
 httptoolkit-server/
 appveyor-tools/
-encrypted-win-certificate.pfx
+certificates/encrypted-win-cert.pfx

appveyor.yml

@@ -16,7 +16,7 @@ branches:
 
 install:
 - ps: iex ((New-Object Net.WebClient).DownloadString('https://raw.githubusercontent.com/appveyor/secure-file/master/install.ps1'))
-- cmd: appveyor-tools\secure-file -decrypt encrypted-win-certificate.pfx.enc -secret %CERTIFICATE_FILE_KEY%
+- cmd: appveyor-tools\secure-file -decrypt certificates/encrypted-win-cert.pfx.enc -secret %CERTIFICATE_FILE_KEY%
 - ps: Install-Product node $env:nodejs_version $env:platform
 - set PATH=%APPDATA%\npm;%PATH%
 - npm install

encrypted-win-certificate.pfx.enc certificates/encrypted-win-cert.pfx.encencrypted-win-certificate.pfx.enc renamed to certificates/encrypted-win-cert.pfx.enc

@@ -36,6 +36,9 @@
         "executableName": "httptoolkit",
         "packageManager": "npm",
         "icon": "./src/icon",
+        "ignore": [
+          "certificates"
+        ],
         "afterCopy": [
           "./src/after-copy.js"
         ]
@@ -46,7 +49,7 @@
         "exe": "httptoolkit.exe",
         "iconUrl": "https://httptoolkit.tech/favicon.ico",
         "setupIcon": "./src/icon.ico",
-        "certificateFile": "./encrypted-win-certificate.pfx"
+        "certificateFile": "./certificates/encrypted-win-cert.pfx"
       },
       "electronInstallerDMG": {
         "name": "HTTP Toolkit",