docs: update install instructions

.goreleaser.yaml

@@ -16,7 +16,7 @@ before:
 builds:
   - env:
       - CGO_ENABLED=0
-    main: ./internal/numscript/numscript.go
+    main: ./cmd/numscript/main.go
     goos:
       - linux
       - windows

README.md

@@ -17,6 +17,18 @@ The language server features include:
 - Detect document symbols
 - Go to definition
 
-### Build locally
-If you have the golang toolchain installed locally, you can run `go install ./internal/numscript/numscript.go` to build the cli from source, which you'll be able to run by executing the `numscript` command
-Otherwise, you can download it from this repo's [releases](https://github.com/formancehq/numscript/releases)
+### Installation
+
+You can install the `numscript` cli with one of the following ways:
+
+**Using curl**
+
+```sh
+curl -sSf https://raw.githubusercontent.com/formancehq/numscript/main/install.sh | bash
+```
+
+**Using golang toolchain**
+
+```sh
+go install github.com/formancehq/numscript/cmd/numscript@latest
+```

install.sh

@@ -0,0 +1,67 @@
+#!/usr/bin/env bash
+set -e
+
+echo "👉 Detecting platform..."
+
+# Detect OS
+OS="$(uname -s)"
+case "$OS" in
+    Linux*)     PLATFORM="Linux";;
+    Darwin*)    PLATFORM="Darwin";;
+    MINGW*|MSYS*|CYGWIN*|Windows_NT) PLATFORM="Windows";;
+    *)          echo "❌ Unsupported OS: $OS"; exit 1;;
+esac
+
+# Detect architecture
+ARCH="$(uname -m)"
+case "$ARCH" in
+    x86_64) ARCH="x86_64";;
+    amd64)  ARCH="x86_64";; # Just in case
+    arm64|aarch64) ARCH="arm64";;
+    *) echo "❌ Unsupported architecture: $ARCH"; exit 1;;
+esac
+
+echo "✅ Platform: $PLATFORM"
+echo "✅ Architecture: $ARCH"
+
+
+# https://github.com/formancehq/numscript/releases/download/v0.0.18/numscript_.0.0.18_Darwin_arm64.tar.gz
+# Get latest release tag
+LATEST_TAG=$(curl -sI https://github.com/formancehq/numscript/releases/latest | grep -i location | awk -F '/' '{print $NF}' | tr -d '\r')
+
+echo "📦 Latest tag: $LATEST_TAG"
+
+# Determine file extension
+if [ "$PLATFORM" = "Windows" ]; then
+    EXT="zip"
+else
+    EXT="tar.gz"
+fi
+
+# Build file name and URL
+FILENAME="numscript_.${LATEST_TAG#v}_${PLATFORM}_${ARCH}.${EXT}"
+URL="https://github.com/formancehq/numscript/releases/download/$LATEST_TAG/$FILENAME"
+
+echo "⬇️ Downloading: $URL"
+curl -L -o "$FILENAME" "$URL"
+
+# Extract and install
+if [ "$PLATFORM" = "Windows" ]; then
+    unzip "$FILENAME"
+    BIN="numscript.exe"
+else
+    tar -xf "$FILENAME" numscript
+    BIN="numscript"
+fi
+
+
+INSTALL_PATH="$HOME/.local/bin"
+mkdir -p "$INSTALL_PATH"
+
+mv "$BIN" "$INSTALL_PATH"
+chmod +x "$INSTALL_PATH/$BIN"
+
+rm "$FILENAME"
+
+echo "✅ Installed $BIN to $INSTALL_PATH"
+echo "🎉 Done!"