ci: add custom routes demo (#1466)

* ci: add custom routes demo

* chore: add typescript

* chore: remove test

Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>

Author: ascorbic

demos/custom-routes/.eslintrc

@@ -0,0 +1,4 @@
+{
+  "extends": "next",
+  "root": true
+}

demos/custom-routes/netlify.toml

@@ -0,0 +1,15 @@
+[build]
+command = "next build"
+publish = ".next"
+ignore = "if [ $CACHED_COMMIT_REF == $COMMIT_REF ]; then (exit 1); else git diff --quiet $CACHED_COMMIT_REF $COMMIT_REF ../..; fi;"
+
+[dev]
+framework = "#static"
+
+[[plugins]]
+package = "../plugin-wrapper/"
+
+[[plugins]]
+package = "@netlify/plugin-local-install-core"
+# [[context.deploy-preview.plugins]]
+# package = "netlify-plugin-cypress"

demos/custom-routes/next-env.d.ts

@@ -0,0 +1,5 @@
+/// <reference types="next" />
+/// <reference types="next/image-types/global" />
+
+// NOTE: This file should not be edited
+// see https://nextjs.org/docs/basic-features/typescript for more information.