Add publishing flows and script

platforms/android/publish_android_package.sh

@@ -0,0 +1,61 @@
+#!/usr/bin/env bash
+
+EC_ASSETS_FOLDER=lib/src/main/assets/element-call
+CURRENT_DIR=$( dirname -- "${BASH_SOURCE[0]}" )
+
+pushd $CURRENT_DIR > /dev/null
+
+function build_assets() {
+	echo "Building the assets..."
+	pushd ../..  > /dev/null
+	yarn build
+	popd  > /dev/null
+}
+
+function copy_assets() {
+	if [ ! -d $EC_ASSETS_FOLDER ]; then
+		echo "Creating $EC_ASSETS_FOLDER..."
+		mkdir -p $EC_ASSETS_FOLDER
+	fi
+
+	echo "Copying generated assets to the Android project..."
+	cp -R ../../dist/* $EC_ASSETS_FOLDER
+
+	echo "Cleaning up copied assets..."
+	# Remove .gz assets as they will be marked as duplicate by the Android packaging process
+	rm $EC_ASSETS_FOLDER/index.html.gz 2> /dev/null
+	rm $EC_ASSETS_FOLDER/assets/*.gz 2> /dev/null
+}
+
+getopts :sh opt
+case $opt in 
+	s)
+		echo "Using existing assets."
+		SKIP=1
+		;;
+	h)
+		echo "-s: will skip building the assets and just publish the library."
+		exit 0
+		;;
+esac
+
+if [ -d $EC_ASSETS_FOLDER ]; then
+	if [ ! $SKIP ]; then
+		read -p "Do you want to re-build the assets (y/n, defaults to no)? " -n 1 -r
+		echo ""
+		if [[ $REPLY =~ ^[Yy]$ ]]; then
+		    build_assets
+		else 
+			echo "Using existing assets."
+		fi
+	fi
+	copy_assets
+else
+	build_assets
+	copy_assets
+fi
+
+echo "Publishing the Android project"
+./gradlew publishAllPublicationsToGithubPackagesRepository
+
+popd  > /dev/null