docs: document board configuration workflow

docs/src/development.md

@@ -7,7 +7,7 @@ cd firmware
 cargo test --workspace --offline
 cargo clippy --workspace --all-targets --offline --exclude kaptan-geprc-f722-v2 --exclude kaptan-kakute-f7-mini-v3 -- -D warnings
 cargo clippy -p platform-stm32f7 --all-targets --offline -- -D warnings
-cargo fmt --check
+cargo fmt --all --check
 git diff --check
 ```
 
@@ -15,8 +15,11 @@ git diff --check
 
 ```sh
 cd firmware
-cargo check -p kaptan-geprc-f722-v2 --release --target thumbv7em-none-eabihf --offline
-cargo check -p kaptan-kakute-f7-mini-v3 --release --target thumbv7em-none-eabihf --offline
+cargo clippy -p kaptan-geprc-f722-v2 -p kaptan-kakute-f7-mini-v3 \
+  --target thumbv7em-none-eabihf --offline -- -D warnings
+cargo build --release --locked \
+  -p kaptan-geprc-f722-v2 -p kaptan-kakute-f7-mini-v3 \
+  --target thumbv7em-none-eabihf --offline
 ```
 
 ## Strict core coverage