Added main

.gitignore

@@ -0,0 +1 @@
+.idea/

src/lsystem/Main.java

@@ -0,0 +1,20 @@
+package lsystem;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Scanner;
+
+public class Main {
+
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        System.out.println("Axiom: ");
+        String axiom = scanner.next();
+        System.out.println("Règles (laissez vide quand vous avez fini): ");
+        List<String> rules = new ArrayList<>();
+        while(rules.isEmpty() || !rules.get(rules.size() - 1).equals("")) {
+            rules.add(scanner.next());
+        }
+    }
+
+}