Initial work on adding the install.sh script

This will be used by the users of Prompt-Ops to download the pops binary

Signed-off-by: ytimocin <ytimocin@microsoft.com>

.github/scripts/install.sh

@@ -0,0 +1,43 @@
+#!/bin/bash
+
+set -e
+
+# Get the latest release version if not provided
+VERSION=${1:-$(curl -s https://api.github.com/repos/prompt-ops/pops/releases/latest | grep tag_name | cut -d '"' -f 4)}
+
+# Check if the version is valid
+if [[ ! "$VERSION" =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
+  echo "Invalid version format: '$VERSION'. Expected format: vX.Y.Z"
+  exit 1
+fi
+
+echo "Installing Prompt-Ops $VERSION..."
+
+# Detect OS and ARCH
+OS=$(uname | tr '[:upper:]' '[:lower:]')
+ARCH=$(uname -m)
+
+if [[ "$ARCH" == "x86_64" ]]; then
+  ARCH="amd64"
+elif [[ "$ARCH" == "aarch64" ]]; then
+  ARCH="arm64"
+else
+  echo "Unsupported architecture: $ARCH"
+  exit 1
+fi
+
+echo "Detected OS: $OS"
+echo "Detected ARCH: $ARCH"
+
+# Construct download URL
+URL="https://github.com/prompt-ops/pops/releases/download/$VERSION/pops-${OS}-${ARCH}"
+
+echo "Downloading Prompt-Ops $VERSION from $URL..."
+curl -Lo pops "$URL"
+chmod +x pops
+
+# Move to /usr/local/bin
+echo "Installing Prompt-Ops to /usr/local/bin..."
+sudo mv pops /usr/local/bin/
+
+echo "Prompt-Ops $VERSION installed successfully!"