New REST api for Armada server, versioned quick start guide and many more fixes.

Checksums

• armadactl-v0.0.3-darwin-amd64.tar.gz SHA256 09959e9fcfbbba05b1c7393321b69e39cdfcdb3e5b9f56ac621f548c876e8d6b
• armadactl-v0.0.3-linux-amd64.tar.gz SHA256 2fb537b0dd9c5d711276753e680c5d9e8955a98319f3f831c5368ec5fa50b54b
• armadactl-v0.0.3-windows-amd64.zip SHA256 00e5d2f2de82aa760fe37be4b9fa81481d255ca00552fd1b6fa06c16bd46b876