cleanup: move external lapacke header to 3rdParty folder

doc/jekyll/_includes/examples/cascade.cpp

@@ -5,7 +5,7 @@
 
 using namespace xerus;
 
-const size_t MAX_NUM_PER_SITE = 64;
+const size_t MAX_NUM_PER_SITE = 32;
 
 Tensor create_M() {
 	Tensor M = -1*Tensor::identity({MAX_NUM_PER_SITE, MAX_NUM_PER_SITE});

doc/jekyll/_includes/examples/cascade.py

 import xerus as xe
 
-MAX_NUM_PER_SITE = 64
+MAX_NUM_PER_SITE = 32
 
 def create_M():
 	M = -1 * xe.Tensor.identity([MAX_NUM_PER_SITE, MAX_NUM_PER_SITE])

doc/jekyll/_posts/1000-10-10-cascade.md

@@ -20,11 +20,11 @@ represented in our sourcecode as
 
 __tabsStart
 ~~~ cpp
-const size_t MAX_NUM_PER_SITE = 64;
+const size_t MAX_NUM_PER_SITE = 32;
 ~~~
 __tabsMid
 ~~~ py
-MAX_NUM_PER_SITE = 64
+MAX_NUM_PER_SITE = 32
 ~~~
 __tabsEnd