update docs

examples/software/hello/software.toml

@@ -1,14 +1,12 @@
-format = 1
+format = 2
 id = "demo.hello"
 name = "AArch64 hello"
 version = "1.0"
-architecture = "aarch64"
-root = "root"
 
 [commands]
-hello = "bin/hello"
+hello = "usr/bin/hello"
 
-# This trusted command runs only on the workstation. It is never put on media.
-[build]
-directory = "."
-command = ["sh", "-eu", "-c", "mkdir -p root/bin; aarch64-linux-gnu-gcc -O2 hello.c -o root/bin/hello"]
+# Void source templates run only on the workstation.
+[source]
+package = "fds-demo-hello"
+template = "void"