clarify requirements

DEVELOPMENT.md

@@ -3,6 +3,7 @@
 * GNU or BSD [findutils](https://en.wikipedia.org/wiki/Find_(Unix))
 * POSIX compatible [sh](https://pubs.opengroup.org/onlinepubs/9699919799/utilities/sh.html)
 * [Ghostscript](https://www.ghostscript.com/)
+* [git](https://git-scm.com/) 2.46.1+
 * [ShellCheck](https://www.shellcheck.net/) 0.8.0+
 * [Go](https://go.dev/) 1.23.2+
 * [Python](https://www.python.org/) 3.12.1+
@@ -14,6 +15,41 @@
 * [ASDF](https://asdf-vm.com/) 0.10 (run `asdf reshim` after provisioning)
 * [direnv](https://direnv.net/) 2
 
+# INSTALL
+
+(Adjust git forks, clone URLs, remotes, HEAD pointer, and/or local directory name as needed.)
+
+1. Clone the project to a local directory.
+
+```console
+$ git clone https://github.com/mcandre/bao.git ~/bao
+```
+
+2. Add .../bao/bin to `PATH`.
+
+~/.zshrc:
+
+```zsh
+# ...
+export PATH="$PATH:$HOME/bao/bin"
+```
+
+# UNINSTALL
+
+1. Remove .../bao/bin from `PATH`.
+
+~/.zshrc:
+
+```zsh
+# ...
+```
+
+2. Remove local clone directory.
+
+```console
+$ rm -rf ~/bao
+```
+
 # AUDIT
 
 ```console

README.md

@@ -28,18 +28,44 @@ Note: Sometimes Ghostscript can output files the same size or larger than the in
 
 BSD-2-Clause
 
-# REQUIREMENTS
+# RUNTIME REQUIREMENTS
 
 * POSIX compatible [sh](https://pubs.opengroup.org/onlinepubs/9699919799/utilities/sh.html)
 * [Ghostscript](https://www.ghostscript.com/)
+* [git](https://git-scm.com/) 2.46.1+
 
 # INSTALL
 
-Add .../bao/bin to `PATH`.
+1. Clone the project to a local directory.
+
+```console
+$ git clone https://github.com/mcandre/bao.git ~/bao
+```
+
+2. Add .../bao/bin to `PATH`.
+
+~/.zshrc:
+
+```zsh
+# ...
+export PATH="$PATH:$HOME/bao/bin"
+```
 
 # UNINSTALL
 
-Remove .../bao/bin from `PATH`.
+1. Remove .../bao/bin from `PATH`.
+
+~/.zshrc:
+
+```zsh
+# ...
+```
+
+2. Remove local clone directory.
+
+```console
+$ rm -rf ~/bao
+```
 
 # CONTRIBUTING