refactor: move firmware workspace under firmware

docs/src/development.md

@@ -3,6 +3,7 @@
 ## Fast host checks
 
 ```sh
+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
@@ -13,6 +14,7 @@ git diff --check
 ## Target checks
 
 ```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
 ```
@@ -20,6 +22,7 @@ cargo check -p kaptan-kakute-f7-mini-v3 --release --target thumbv7em-none-eabihf
 ## Strict core coverage
 
 ```sh
+cd firmware
 scripts/report-test-coverage.sh
 ```
 
@@ -32,6 +35,7 @@ the gate.
 ## Simulation acceptance
 
 ```sh
+cd firmware
 python3 tools/sitl/world-structure-test.py
 python3 -m unittest tools/sitl/test_kaptan_sim.py
 tools/sitl/e2e-smoke.sh