add target to execute project and to update requirements if needed.

Makefile

@@ -5,12 +5,15 @@ DATABASE_FILE=${DATABASE_FOLDER}/${DATABASE_NAME}.db
 
 all: execute-script
 
-execute-script:
-	python3 concentration_test.py
+execute-script: requirements.txt
+	source bin/activate; \
+	python3 src/concentration_test.py; \
 
-pip-install:
+requirements.txt:
 	bin/pip3 install -r requirements.txt
 
+# run o
+
 reset: delete-database import-from-csv
 
 open: