Hello-World App in Rust for Aurora OS

This is an example of the simplest application written in Rust to be run on the mobile Aurora OS.

Prerequisites

Prepare:
```
make prepare
```
Compile:
```
make
# or
make release
```
Build RPM-package
```
make rpm
```
Output .rpm file is in target/armv7-unknown-linux-gnueabihf/release/rpmbuild/RPMS/armv7hl directory.
Copy to a mobile device (without package signing):
```
make install
```

After package signing it is necessary to copy it to the target device and install onto the Aurora OS:

$ devel-su
# pkcon install-local ./aurora-rust-helloworld-*.armv7hl.rpm

Run:

$ aurora-rust-helloworld

Source code is licensed under the MIT license.