Major Subsystem Rewrite (Reconciler Mk5) (#217)

server/src/snapshot_middleware/context.rs

@@ -0,0 +1,7 @@
+pub struct InstanceSnapshotContext {
+    /// Empty struct that will be used later to fill out required Lua state for
+    /// user plugins.
+    pub plugin_context: Option<()>,
+}
+
+pub struct ImfsSnapshotContext;