feat(poly): major work on preconditioner for block form of lane emden equation

working on a "smart" schur compliment preconditioner for the block form of the lane emden equation. Currently this is stub and should not be considered usable

src/resource/private/resourceManagerTypes.cpp

@@ -22,7 +22,7 @@ std::string getFirstSegment(const std::string& input) {
 Resource createResource(const std::string& type, const std::string& path) {
     static const std::unordered_map<std::string, std::function<Resource(const std::string&)>> factoryMap = {
         {"opac", [](const std::string& p) { return Resource(
-            std::make_unique<OpatIO>(p));
+            std::make_unique<opat::OPAT>(opat::readOPAT(p)));
          }},
         {"mesh", [](const std::string& p) { return Resource(
             std::make_unique<MeshIO>(p));

src/resource/public/resourceManagerTypes.h

@@ -30,7 +30,7 @@
  * @endcode
  */
 using Resource = std::variant<
-                    std::unique_ptr<OpatIO>,
+                    std::unique_ptr<opat::OPAT>,
                     std::unique_ptr<MeshIO>,
                     std::unique_ptr<EosIO>>;