chore: add script to bulk copy generated docs files (#2337)

Author: tinayuangao

scripts/release/copy-docs.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+# Copy docs to material docs site
+
+# Run this script after `gulp docs`
+# Need to specify destination folder
+# Use OVERVIEW.html when possible. If there's no OVERVIEW file exists, use README.html
+
+usage='Usage: copy-docs.sh $destinationFolder'
+if [ $# -ne 1 ]; then 
+  echo "Missing destination folder. $usage"
+  exit
+fi
+
+originFolder=./dist/docs/
+destFolder=$1
+
+if [ ! -w $destFolder ]; then
+  echo "Invalid destination folder. $usage"
+  exit
+fi
+
+for file in $originFolder*
+do
+  name=${file#$originFolder}
+  overviewFile=$originFolder$name/OVERVIEW.html
+  readmeFile=$originFolder$name/README.html
+  destFile=$destFolder/$name.html
+  if [ -f $overviewFile ]; then
+    cp $overviewFile $destFile
+    echo "Copied $overviewFile to $destFile"
+  elif [ -f $readmeFile ]; then
+    cp $readmeFile $destFile
+    echo "Copied $readmeFile to $destFile"
+  fi
+done