Made MD* libraries (Parola, MAX72XX) project specific, to be able to use the newest software version from github.

lib/MD_Parola/docs/index.js

@@ -0,0 +1,7 @@
+var index =
+[
+    [ "Parola Library", "page_software.html", null ],
+    [ "Revision History", "page_rev_history.html", null ],
+    [ "Copyright", "page_copyright.html", null ],
+    [ "Support the Library", "page_donation.html", null ]
+];