update ctags when running make

Makefile

@@ -26,8 +26,9 @@ CPP_OBJECTS = $(CPP_SOURCES:$(SRC_DIR)/%.cpp=$(BUILD_DIR)/%.o)
 C_OBJECTS = $(BUILD_DIR)/tomlc17.o
 TEST_OBJECTS := $(patsubst $(TEST_DIR)/%.cpp, $(BUILD_DIR)/%.o, $(TEST_SOURCES))
 
-# Default target
+# Default target (updates ctags if available)
 all: raylib $(BUILD_DIR) $(TARGET)
+	@command -v ctags >/dev/null 2>&1 && ctags -R tests/ src/ || true
 
 # Build raylib
 raylib:
@@ -87,4 +88,4 @@ test-build: $(BUILD_DIR) $(C_OBJECTS) $(CPP_OBJECTS) $(TEST_OBJECTS)
 test: test-build
 	./$(TEST_TARGET)
 
-.PHONY: all clean clean-all rebuild run test test-build raylib
+.PHONY: all clean clean-all rebuild run test test-build raylib ctags

docs/TODO

@@ -16,9 +16,6 @@ If you see modifications to this file in git status, IGNORE them and do not comm
     - only then look at interplanetary transfers
 
 
-=== Project Documentation ===
-    - remember to periodically check the reference docs against new changes
-
 === Simulation/Physics ===
     - actually, we should start out simpler. create and test maneuvers in planetary
         frame before starting on interplanetary patched conics, oops