Rename try.me.sh scripts to try.sh

This is to make them consistent with the others called try.sh which
seems better named as it's under the try section.

The manifest files in tmp/ have been updated as well, including the
macOS Numbers file.

1989/jar.2/try.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+# 
+# demo for 1989/jar.2 - run entry with one or more files
+
+make all || exit 1
+
+if [[ "$#" -lt 1 ]]; then
+    FILES="try.txt fib.lisp chocolate_cake.lisp"
+else
+    FILES="$*"
+fi
+
+for f in $FILES; do 
+    if [[ -e "$f" && -r "$f" ]]; then
+	./jar.2 < "$f"
+    fi
+done