add helper Makefile

make -> make check
make check -> cargo test
make fmt -> cargo fmt --all
make checkfmt -> cargo fmt --all -- --check
...

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>

Makefile

@@ -0,0 +1,32 @@
+# Shortcut for common operations:
+
+# By default we just run checks:
+.PHONY: all
+all: check
+
+.PHONY: check
+check:
+	cargo test
+
+# Prints a diff between the current code and the one rustfmt would produce
+.PHONY: fmt
+checkfmt:
+	cargo fmt --all -- --check
+
+# Reformat the code (ppply the output of `make checkfmt`)
+.PHONY: fmt
+fmt:
+	cargo fmt --all
+
+# Doc without dependencies
+.PHONY: doc
+doc:
+	cargo doc --no-deps
+
+.PHONY: clean
+clean:
+	cargo clean
+
+.PHONY: update
+update:
+	cargo update