Moved a couple of folders and wrote some code

Packages/manifest.json

@@ -1,6 +1,8 @@
 {
   "dependencies": {
     "com.heathen.steamworksfoundation": "https://github.com/heathen-engineering/SteamworksFoundation.git?path=Unity/com.heathen.steamworksfoundation",
+    "com.heathen.systemcore": "https://github.com/heathen-engineering/SystemCore.git?path=/com.heathen.systemcore",
+    "com.rlabrecque.steamworks.net": "https://github.com/rlabrecque/Steamworks.NET.git?path=/com.rlabrecque.steamworks.net",
     "com.unity.cinemachine": "2.8.9",
     "com.unity.collab-proxy": "2.0.0",
     "com.unity.feature.development": "1.0.1",

Packages/packages-lock.json

@@ -9,6 +9,22 @@
       },
       "hash": "3fc1f33a48211720c2ad7bc583b0b19e2f356695"
     },
+    "com.heathen.systemcore": {
+      "version": "https://github.com/heathen-engineering/SystemCore.git?path=/com.heathen.systemcore",
+      "depth": 0,
+      "source": "git",
+      "dependencies": {
+        "com.unity.mathematics": "1.2.5"
+      },
+      "hash": "7c126795e8dfef5b599e05cbe9f83dff55978f00"
+    },
+    "com.rlabrecque.steamworks.net": {
+      "version": "https://github.com/rlabrecque/Steamworks.NET.git?path=/com.rlabrecque.steamworks.net",
+      "depth": 0,
+      "source": "git",
+      "dependencies": {},
+      "hash": "1fd501eac44b301b61848e8b4c6d7f6216887766"
+    },
     "com.unity.burst": {
       "version": "1.8.2",
       "depth": 1,