Update gitignore (sorry)

electron/node_modules/app-builder-lib/templates/linux/after-install.tpl

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+# Link to the binary
+ln -sf '/opt/${sanitizedProductName}/${executable}' '/usr/bin/${executable}'
+
+# SUID chrome-sandbox for Electron 5+
+chmod 4755 '/opt/${sanitizedProductName}/chrome-sandbox' || true
+
+update-mime-database /usr/share/mime || true
+update-desktop-database /usr/share/applications || true

electron/node_modules/app-builder-lib/templates/linux/after-remove.tpl

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+# Delete the link to the binary
+rm -f '/usr/bin/${executable}'

electron/node_modules/app-builder-lib/templates/linux/desktop.tpl

@@ -0,0 +1,6 @@
+[Desktop Entry]
+Name=<%= title %>
+Comment=<%= comment %>
+Exec=<%= executable %>
+Terminal=false
+Type=Application