Add some helper scripts for diagnostic purposes

The idea is that these will help folks convey the nature of problems
that they might hit in the future.

wt-record

@@ -0,0 +1,9 @@
+#!/bin/sh
+# Runs wezterm using `script` to record a session with timing information
+
+NOW=`date -u +%Y%m%d%H%M%S`
+echo $NOW
+
+./target/release/wezterm -- script -t$NOW.timing $NOW.typescript
+tar -cz --remove-files -f $NOW.tgz $NOW.timing $NOW.typescript
+echo "Transcript recorded in $NOW.tgz"

wt-replay

@@ -0,0 +1,16 @@
+#!/bin/sh
+# Replays a recorded session
+TRANSCRIPT="$1"
+
+if test -z "$TRANSCRIPT" -o ! -f "$TRANSCRIPT" ; then
+  echo "usage: wt-replay TRANSCRIPT.tgz"
+  exit 1
+fi
+
+WHERE=`mktemp -d`
+tar xzf "$TRANSCRIPT" -C $WHERE
+
+echo "--- Starting replay ---"
+scriptreplay $WHERE/*.timing $WHERE/*.typescript
+echo "--- replay complete ---"
+