added the [component.build] section in the sample.

Signed-off-by: Opemipo Disu <46439130+coderoflagos@users.noreply.github.com>

Author: coderoflagos

docs/content/configuration.md

@@ -24,6 +24,8 @@ description = "A simple component that returns hello world."
 source = "target/wasm32-wasi/release/spinhelloworld.wasm"
 [component.trigger]
 route = "/hello"
+[component.build]
+command = "cargo build --target wasm32-wasi --release"
 ```
 
 ## Application manifest reference