_Sidebar.md

@@ -4,3 +4,5 @@
 3. [Run Examples (Metafor)](How-to-run-the-examples-with-Metafor)
 4. [Input file format](input-file-for-boneload-simulations)
 5. [Command line arguments](Command-line-arguments)
+6. [CxxFEM](CxxFEM)
+7. [Build code from source](Build-the-code-from-source)