chore: update README.md

Author: syenpark

README.md

@@ -2,8 +2,18 @@
 
 Brush up on C++ personally to be a real-time engineer in AI era. For fundamental jargon you must know, please visit [jargon.md](./docs/jargon.md).
 
+## Contents
+
+- [Battlefield](#battlefield)
+- [Topics](#topics)
+- [Allocators & Cache Behavior (Day 05)](#allocators--cache-behavior-day-05)
+- [Practical Application](#practical-application)
+
 ## Battlefield
 
+<details>
+<summary> Click to expand/collapse </summary>
+
 ```shell
                     ┌──────────────────────────────┐
                     │            CPU               │
@@ -26,13 +36,13 @@ Brush up on C++ personally to be a real-time engineer in AI era. For fundamental
                     │  │   (Shared, MBs)        │  │           Bigger and slower than L2
                     │  └────────────────────────┘  │
                     └──────────────┬───────────────┘
-                                   │
-                          Local Memory Controller
-                                   │
+                                │
+                        Local Memory Controller
+                                │
                 ┌──────────────────┴──────────────────┐
                 │                                     │
-          RAM (NUMA Node 0)                     RAM (NUMA Node 1)
-           ~80ns latency                         ~150ns latency
+        RAM (NUMA Node 0)                     RAM (NUMA Node 1)
+        ~80ns latency                         ~150ns latency
 ```
 
 How latency can grow...
@@ -47,6 +57,8 @@ Instruction →
                         miss → RAM (NUMA remote)
 ```
 
+</details>
+
 ## Topics
 
 [day01](./src/cpp/day01/): stack vs heap
@@ -56,6 +68,9 @@ Instruction →
 
 ## Allocators & Cache Behavior (Day 05)
 
+<details>
+<summary> Click to expand/collapse </summary>
+
 ### What an allocator actually is
 
 An `allocator` answers two questons:
@@ -113,3 +128,7 @@ struct Good {
 ```
 
 Group hot data together.
+
+</details>
+
+## Practical Application

src/python/_cli.py

@@ -69,4 +69,5 @@ def main(
 
         return
 
+    # Run the default simulation
     run_simulation(config_data["yolo"]["fps"])