README.md: Point to the manual

Dependencies

• [2] E63Q3L3J Build from source remark in README.md
• [3] 5EB3AB4T readme: update hacking section
• [4] X7IAG7JT Simplify running nix-shell
• [5] NVMDS7GE Add README.md

Change contents

• replacement in README.md at line 1
  [4.1]→[4.2:35](∅→∅),[4.35]→[3.0:16](∅→∅),[3.16]→[4.0:16](∅→∅),[4.35]→[4.0:16](∅→∅),[4.16]→[4.53:137](∅→∅),[4.53]→[4.53:137](∅→∅),[4.137]→[2.0:62](∅→∅)
  − To start hacking on Hydra, run:

  −

  − $ bootstrap

  − $ nix-shell

  − $ ./configure $configureFlags --prefix=/opt/hydra

  − $ make

  − $ make install

  −

  − Or, if you just want to build from source (on x86_64-linux):
  [4.1]

  [2.62]
  + # Hydra
• replacement in README.md at line 3
  [2.63]→[2.63:113](∅→∅)
  − $ nix-build -A build.x86_64-linux release.nix
  [2.63]
  + Hydra is a continuous integration system based on the Nix package

  + manager. For more information, see the

  + [manual](https://hydra.nixos.org/job/hydra/master/tarball/latest/download-by-type/doc/manual). For

  + hacking instructions, see

  + https://hydra.nixos.org/job/hydra/master/tarball/latest/download-by-type/doc/manual#chap-hacking.