Add new file

docker files/scripts/detect_ampl.sh

+#! /bin/bash
+
+cd /opt
+
+# Extract the demo version archive, if it exists
+if [[ -f ampl.linux64.tgz ]]; then
+    tar xvf ampl.linux64.tgz
+    rm ampl.linux64.tgz
+fi
+
+AMPL_BIN=$(find . -name ampl -type f -executable -prune -print0)
+if [[ -f "$AMPL_BIN" ]]; then
+    AMPL_DIR=$(dirname $AMPL_BIN)
+    echo "Found ampl binary in $AMPL_DIR, $($AMPL_BIN --version)"
+    if [[ "$AMPL_DIR" != "./ampl" ]]; then
+        ln -s "$AMPL_DIR" ampl
+        echo "Added symlink $(ls -l ampl)"
+    fi
+else
+    echo "No AMPL binary found in $(pwd)"
+    exit 1
+fi