replace travis with GitHub Actions close #626 (#629)

added GitHub Actions to documentation

scripts/prepare_deploy.sh

@@ -1,19 +1,22 @@
+#!/bin/bash
+set -e
 echo "renaming bin files with the board name"
 rename -v 's:/:-:g' .pio/build/*/*.bin
 mkdir toDeploy
 rename 's/.pio-build-//' .*.bin
-cd .pio/libdeps
-echo "replace space by _ in folder names"
-find . -type d -name "* *" | while read FNAME; do mv "$FNAME" "${FNAME// /_}"; done
-echo "zipping libraries per board"
-for i in */; do zip -r "${i%/}-libraries.zip" "$i"; done
-ls -la
-mv *.zip ../../toDeploy
-cd ../..
+(
+  cd .pio/libdeps
+  echo "replace space by _ in folder names"
+  find . -type d -name "* *" | while read FNAME; do mv "$FNAME" "${FNAME// /_}"; done
+  echo "zipping libraries per board"
+  for i in */; do zip -r "${i%/}-libraries.zip" "$i"; done
+  ls -la
+  mv *.zip ../../toDeploy
+)
+
 echo "zipping code and licence"
 zip -r OpenMQTTGateway_sources.zip main LICENSE.txt
 mv *.zip toDeploy
 mv *.bin toDeploy
-cd toDeploy
-ls -la
-cd ..
+
+ls -lA toDeploy