Add Continuum Mechanics notes

Change-Id: Ib7c7641fa9b2d7ee9e0551f32bc18746161d9f4f
diff --git a/quad8/continuummechanics/notes/.gitignore b/quad8/continuummechanics/notes/.gitignore
new file mode 100644
index 0000000..f0de8a3
--- /dev/null
+++ b/quad8/continuummechanics/notes/.gitignore
@@ -0,0 +1 @@
+main.pdf