Add entregables 2, 3, 4

Change-Id: I7ef88f875fdc53abcf1744a8a79a1c0a6512105b
diff --git a/entregables/.gitignore b/entregables/.gitignore
new file mode 100644
index 0000000..1cc8541
--- /dev/null
+++ b/entregables/.gitignore
@@ -0,0 +1,3 @@
+*.html
+*.pdf
+figure-markdown_strict/