Initial Support for MacOS IL2CPP Builds (#326)

* Add intial framework for macos builds. Test install editor

* Fix unity hub path space

* Single quote space in path

* Escape space character

* More backslashes

* Move to bash scripts for setup

* Add path to command args

* Different command to run shell script

* Use full path to scripts

* Unpack changeset value and fix missing escape characters

* Print changeset

* More debug

* Remove debug

* Fix script paths

* Printenv debug

* Write environment variables to file to read in bash script

* Debug file write

* More debug

* Fix missing await

* Move back to process.env

* Fix path typo

* Add missing flags

* Make directory for license activation

* Add missing sudo

* Give permissions to license folder

* Fix path issues

* Add build tests

* Try ts setup again

* Try quoting path

* Further migrate mac scripts to align with linux scripts

* print pwd

* Fix changeset and remove unneeded env vars

* Ignore return code

* fix missing current directory

* Fix project path

* pwd

* Remove project path

* Revert to cwd being the workspace folder and pass action folder as an env variable.

* Add blank project to use for activation

* Add blank project path

* Fix build tests

* Don't rebuild library on windows

* Fix project path windows

* Fix platform specific workspace env variable

* Fix incorrect variable name

* Update .github/workflows/mac-build-tests.yml

Co-authored-by: Webber Takken <webber.nl@gmail.com>

* Update .github/workflows/mac-build-tests.yml

Co-authored-by: Webber Takken <webber.nl@gmail.com>

* Update dist/BlankProject/Packages/packages-lock.json

Co-authored-by: Webber Takken <webber.nl@gmail.com>

* Update src/model/platform-setup/setup-mac.ts

Co-authored-by: Webber Takken <webber.nl@gmail.com>

* Update src/model/platform-setup/setup-mac.ts

Co-authored-by: Webber Takken <webber.nl@gmail.com>

* Fix formatting

Co-authored-by: Webber Takken <webber.nl@gmail.com>

dist/platforms/mac/entrypoint.sh

@@ -0,0 +1,48 @@
+#!/usr/bin/env bash
+
+#
+# Create directories for license activation
+#
+
+sudo mkdir /Library/Application\ Support/Unity
+sudo chmod -R 777 /Library/Application\ Support/Unity
+
+ACTIVATE_LICENSE_PATH="$ACTION_FOLDER/BlankProject"
+mkdir -p "$ACTIVATE_LICENSE_PATH"
+
+#
+# Run steps
+#
+source $ACTION_FOLDER/platforms/mac/steps/activate.sh
+source $ACTION_FOLDER/platforms/mac/steps/build.sh
+source $ACTION_FOLDER/platforms/mac/steps/return_license.sh
+
+#
+# Remove license activation directory
+#
+
+sudo rm -r /Library/Application\ Support/Unity
+rm -r "$ACTIVATE_LICENSE_PATH"
+
+#
+# Instructions for debugging
+#
+
+if [[ $BUILD_EXIT_CODE -gt 0 ]]; then
+echo ""
+echo "###########################"
+echo "#         Failure         #"
+echo "###########################"
+echo ""
+echo "Please note that the exit code is not very descriptive."
+echo "Most likely it will not help you solve the issue."
+echo ""
+echo "To find the reason for failure: please search for errors in the log above."
+echo ""
+fi;
+
+#
+# Exit with code from the build step.
+#
+
+exit $BUILD_EXIT_CODE