add redirects for old asciidoc.org pages

.eleventy.js

@@ -15,6 +15,7 @@ asciidoctor.ConverterFactory.register(new DocumentModelConverter(), ['json'])
 
 module.exports = function (eleventyConfig, rest) {
   eleventyConfig.addPassthroughCopy('pages/**/*.{jpg,png,gif,svg,webp,ico,txt,json,webmanifest,xml,woff2}')
+  eleventyConfig.addPassthroughCopy('pages/_redirects')
   eleventyConfig.setBrowserSyncConfig({
     files: ['_site/**/*'],
     open: false

netlify.toml

@@ -2,7 +2,17 @@
 publish = "_site"
 command = "npm run build"
 
+[build.environment]
+NODE_VERSION = "16"
+
 [[headers]]
 for = "/assets/subfont/*.woff2"
   [headers.values]
   Cache-Control = "public,max-age=604800"
+
+# the following redirects get appended to the redirects defined in the _redirects file
+#[[redirects]]
+#from = "https://asciidoc.netlify.app/*"
+#to = "https://asciidoc.org/:splat"
+#status = 301
+#force = true

pages/_redirects

+/a2x.1.html https://asciidoc-py.github.io/a2x.1.html 301!
+/asciidocapi.html https://asciidoc-py.github.io/asciidocapi.html 301!
+/faq.html https://asciidoc-py.github.io/faq.html 301!
+/INSTALL.html https://asciidoc-py.github.io/INSTALL.html 301!
+/manpage.html https://asciidoc-py.github.io/manpage.html 301!
+/userguide.html https://asciidoc-py.github.io/userguide.html 301!