feat: Automate code formatting with Husky pre-commit hooks

.gitignore

@@ -1,2 +1,2 @@
 .backend.env
-.frontend.env
+.frontend.env

.husky/_/h

@@ -0,0 +1,21 @@
+[ "$HUSKY" = "2" ] && set -x
+n=$(basename "$0")
+s=$(dirname "$(dirname "$0")")/$n
+
+[ ! -f "$s" ] && exit 0
+
+if [ -f "$HOME/.huskyrc" ]; then
+	echo "husky - '~/.huskyrc' is DEPRECATED, please move your code to ~/.config/husky/init.sh"
+fi
+i="${XDG_CONFIG_HOME:-$HOME/.config}/husky/init.sh"
+[ -f "$i" ] && . "$i"
+
+[ "${HUSKY-}" = "0" ] && exit 0
+
+export PATH="node_modules/.bin:$PATH"
+sh -e "$s" "$@"
+c=$?
+
+[ $c != 0 ] && echo "husky - $n script failed (code $c)"
+[ $c = 127 ] && echo "husky - command not found in PATH=$PATH"
+exit $c

.husky/_/husky.sh

@@ -0,0 +1 @@
+echo "husky - DEPRECATED

.husky/_/pre-commit

@@ -0,0 +1,23 @@
+
+echo "Running formatter for frontend..."
+(cd frontend && npx lint-staged)
+LINT_STAGED_EXIT_CODE=$?
+
+if [ $LINT_STAGED_EXIT_CODE -ne 0 ]; then
+  echo "lint-staged failed. Aborting commit."
+  exit 1
+fi
+
+echo "Checking for staged Go files..."
+STAGED_GO_FILES=$(git diff --cached --name-only --diff-filter=ACM | grep '\.go$')
+
+if [ -n "$STAGED_GO_FILES" ]; then
+  echo "Formatting staged Go files with gofmt..."
+  gofmt -w $STAGED_GO_FILES
+
+  git add $STAGED_GO_FILES
+else
+  echo "No Go files to format."
+fi
+
+exit 0

frontend/.prettierignore

@@ -0,0 +1,4 @@
+node_modules
+build
+dist
+coverage