Automatically watch PCSX2 savestate directory and analyze the EE Memory (#507)

* add elzip library (doesn't require zlib)

* Can analyze directly from a PCSX2 save-state now

* Add scaffolding to auto-watch for new save-states

* .gitattributes fix

third-party/11zip/src/elzip.cpp

@@ -0,0 +1,48 @@
+#include <fstream>
+#include <iostream>
+
+#include <elzip.hpp>
+#include <fswrapper.hpp>
+#include <unzipper.hpp>
+
+namespace elz
+{
+    void extractZip(std::string zipname, std::string target)
+    {
+        ziputils::unzipper zipFile;
+        zipFile.open(zipname.c_str());
+        for (std::string filename : zipFile.getFilenames())
+        {
+            std::filesystem::path cDir(target + ((std::filesystem::path(filename).parent_path().string() == "") ? "" : "/") + std::filesystem::path(filename).parent_path().string());
+            std::filesystem::path cFile(target + "/" + filename);
+            std::filesystem::path fillPath;
+            for (std::filesystem::path pathPart : cDir)
+            {
+                fillPath /= pathPart;
+                if (!exists(fillPath))
+                {
+                    create_directory(fillPath);
+                }
+            }
+            std::cout << "Opening file : " << filename << std::endl;
+            zipFile.openEntry(filename.c_str());
+            std::ofstream wFile;
+            wFile.open(cFile.string(), std::ios_base::binary | std::ios_base::out);
+            std::string dumped = zipFile.dump();
+            wFile.write(dumped.c_str(), dumped.size());
+            wFile.close();
+        }
+    }
+
+    void extractFile(std::string zipname, std::string filename, std::string target)
+    {
+        ziputils::unzipper zipFile;
+        zipFile.open(zipname.c_str());
+        zipFile.openEntry(filename.c_str());
+        std::ofstream wFile;
+        wFile.open(target, std::ios_base::binary | std::ios_base::out);
+        std::string dumped = zipFile.dump();
+        wFile.write(dumped.c_str(), dumped.size());
+        wFile.close();
+    }
+}