Readme roadmap update/fix

README.md

@@ -21,7 +21,13 @@ but I hope to improve it overtime.
     - [ ] Better testing tools/suite 
 - [x] Memory Allocator [Repo](https://myrepos.dev/Randy-Jordan/mem)
 - [x] String Views [Repo](https://myrepos.dev/Randy-Jordan/sv)
-- [x] Open a Window and popup with "platform layer".
+- [ ] Singly Linked List
+    - [ ] Queue
+    - [ ] Stack
+- [ ] Quarks / Atoms data structure. 
+- [ ] Hash Table
+- [ ] Logging 
+- [ ] Data Serialization
 
 ## Usage
 `make` to build.