Add release folder creation script

Author: Alexey Abel

.gitignore

@@ -0,0 +1 @@
+/releases

create_release.sh

@@ -0,0 +1,14 @@
+#! /usr/bin/bash
+
+# Copies all files and folders necessary for an app release into a separate
+# folder in ./releases/x.y.z (x.y.z given as first and only parameter) leaving
+# out development-only folders such as .git.
+
+if [ -z "$1" ]
+then
+    echo "First parameter must not be empty and must be the version of the release which is used as a folder name, e.g. '1.5.1'."
+else
+    TARGET_DIRECTORY="./releases/${1}/user_backend_sql_raw"
+    mkdir --parents $TARGET_DIRECTORY
+    cp --archive appinfo img lib CHANGELOG.md LICENSE README.md $TARGET_DIRECTORY
+fi