chore: use a Justfile in place of a Makefile

Justfile

@@ -0,0 +1,55 @@
+set dotenv-load
+set positional-arguments
+
+target := `rustc --version --verbose | grep host | cut -d' ' -f2`
+
+# List Tasks
+default:
+    just --list
+
+# Build (debug)
+build:
+    make -C ./src/file-explorer-ui dist
+    make -C ./src/http-server build TARGET={{target}}
+
+# Build (release)
+release:
+    make -C ./src/file-explorer-ui release
+    make -C ./src/http-server release TARGET={{target}}
+
+# Run http-server
+run:
+    make -C ./src/http-server run
+
+# Build File Explorer UI (release)
+ui-build:
+    make -C ./src/file-explorer-ui release
+
+# Run File Explorer UI dev server
+ui-dev:
+    @echo Starting File Explorer UI…
+    make -C ./src/file-explorer-ui dev
+
+# Format File Explorer UI
+ui-fmt:
+    make -C ./src/file-explorer-ui fmt
+
+# Build File Explorer UI (release)
+ui-release:
+    make -C ./src/file-explorer-ui release
+
+# Run tests
+test:
+    make -C ./test run
+
+# Runs the Development-Kit Container
+dkc:
+    docker pull ghcr.io/leoborai/dkc:latest
+    docker run -it --rm \
+        -v $(pwd):/app \
+        -w /app \
+        ghcr.io/leoborai/dkc:latest
+
+# Perform formatting and linting
+fmt:
+    cargo clippy --workspace --all && cargo fmt