Add a small dirty Makefile (to make doc and dynamic code)

Makefile

@@ -0,0 +1,30 @@
+dyncode_filename='lodel/leapi/dyncode.py'
+
+all: doc refresh_dyn
+
+doc: cleandoc
+	doxygen
+
+# Test em update ( examples/em_test.pickle )
+em_test:
+	python3 em_test.py
+
+refresh_dyn: clean_dyn em_test
+	python3 scripts/refreshdyn.py examples/em_test.pickle $(dyncode_filename)
+	
+
+.PHONY: clean clean_dyn cleandoc cleanpyc
+
+clean: clean_dyn cleandoc cleanpyc
+
+cleanpyc:
+	-find ./ |grep -E "\.pyc$$" |xargs rm -f 2>/dev/null
+cleanpycache:
+	-find ./ -type d |grep '__pycache__' | xargs rmdir -f 2>/dev/null
+
+cleandoc:
+	-rm -R doc/html doc/doxygen_sqlite3.db
+
+clean_dyn:
+	-rm $(dyncode_filename)
+