doc: render nixpkgs manual with nrd

also updates nixdoc to 2.3.0. the nixdoc update is not a separate commit
because that would leave the manual build broken for one commit,
potentially breaking bisects and rebases.

1 files changed, 14 insertions, 0 deletions

diff --git a/doc/manual.md.in b/doc/manual.md.in
new file mode 100644
index 00000000000..a4a73a91309
--- /dev/null
+++ b/doc/manual.md.in
@@ -0,0 +1,14 @@
+# Nixpkgs Manual {#nixpkgs-manual}
+## Version @MANUAL_VERSION@
+
+```{=include=} chapters
+preface.chapter.md
+```
+
+```{=include=} parts
+using-nixpkgs.md
+lib.md
+stdenv.md
+builders.md
+contributing.md
+```