chore: add installation script, update README

README.md

@@ -6,6 +6,14 @@ files under given directories based on a set of regex-powered rules.
 There are no specific requirements for the application to run other
 than `>= Python3.6`.
 
+## Installation
+
+```
+curl -o - https://raw.githubusercontent.com/telostat/reforg/main/reforg/install.sh | sudo sh -x
+```
+
+## Usage
+
 CLI arguments are as follows:
 
 ```
@@ -61,4 +69,3 @@ argument):
 ```
 yq . < example/spec.yaml | ./reforg --spec - --root example/target/ --metadata --force --dry-run example/source/
 ```
-

install.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env sh
+
+set -e
+
+## Target installation directory:
+REFORG_INSTALL_DIR="${REFORG_INSTALL_DIR:-"/usr/local/bin"}"
+
+## Download the script:
+curl -s -o - https://raw.githubusercontent.com/telostat/reforg/main/reforg > "${REFORG_INSTALL_DIR}/reforg"
+
+## Change file permissions:
+chmod +x "${REFORG_INSTALL_DIR}/reforg"
+
+## Run:
+reforg --help