Add install.sh

install.sh

@@ -0,0 +1,41 @@
+#!/bin/sh
+
+curl -sAx "https://bit.ly/fx-download-counter" > /dev/null
+
+version='24.0.0'
+os=$(uname -s | tr '[:upper:]' '[:lower:]')
+machine=$(uname -m)
+
+case $os in
+linux | darwin)
+  ext=''
+  ;;
+windows)
+  os=windows
+  ext='.exe'
+  ;;
+*)
+  echo "Unsupported OS: $os" >&2
+  exit 1
+  ;;
+esac
+
+case $machine in
+x86_64 | amd64)
+  arch=amd64
+  ;;
+arm64 | aarch64)
+  arch=arm64
+  ;;
+*)
+  echo "Unsupported architecture: $machine" >&2
+  exit 1
+  ;;
+esac
+
+asset="fx_${os}_${arch}${ext}"
+echo "Installing fx ${version} (${asset})"
+curl -Lfs "https://github.com/antonmedv/fx/releases/download/${version}/${asset}" -o fx
+
+chmod +x fx
+mv fx /usr/local/bin/fx