feat(makefile): format all cmake files + make fmt rename

makefile

@@ -32,7 +32,8 @@ help:
 	@echo "check-cpp		runs all C++ checks"
 	@echo "check-py		runs all Python checks"
 	@echo "check-rs		runs all Rust checks"
-	@echo "fmt-make		formats the makefile using mbake (in case you like spaces instead of tabs)"
+	@echo "make-fmt		formats the makefile using mbake (in case you like spaces instead of tabs)"
+	@echo "cmake-fmt		format CMake files with gersemi"
 
 build:
 	$(BUILD)
@@ -106,5 +107,8 @@ check-py:
 	$(MAKE) py-check
 	$(MAKE) py-compile
 
-fmt-make:
+make-fmt:
 	mbake format makefile
+
+cmake-fmt:
+	gersemi -i .