Makefile added

src/main/java/caosdb/server/query/test/Makefile

+
+PHONY: run
+PHONY: compile
+
+compile:
+	antlr4 DatetimeLexer.g4 DatetimeParser.g4
+	CLASSPATH=/usr/share/java/antlr4.jar:/usr/share/java/antlr4-runtime.jar javac Datetime*.java
+
+run:
+	/usr/share/antlr4/grun Datetime datetime -tree