Update readme adding architecture

README.md

@@ -16,3 +16,73 @@ cargo run
 ```shell
 cargo test
 ```
+### Architecture
+
+                         +--------------------------------------+
+                         |             Redis Client             |
+                         +-------------------+------------------+
+                                             |
+                                             | Request (e.g., SET key value)
+                                             v
+                         +-------------------+------------------+
+                         |                  Server              |
+                         |    (module: server, function: run)   |
+                         +-------------------+------------------+
+                                             |
+                                             | Accept Connection
+                                             v
+                         +-------------------+------------------+
+                         |                Connection            |
+                         |   (module: connection, manages TCP   |
+                         |        connections and streams)      |
+                         +-------------------+------------------+
+                                             |
+                                             | Read Data from TCP Stream
+                                             v
+                         +-------------------+------------------+
+                         |                   Codec              |
+                         |  (module: codec, function: decode)   |
+                         +-------------------+------------------+
+                                             |
+                                             | Decode Request
+                                             v
+                         +-------------------+------------------+
+                         |                   Frame              |
+                         |  (module: frame, function: parse)    |
+                         +-------------------+------------------+
+                                             |
+                                             | Parse Command and Data
+                                             v
+                         +-------------------+------------------+
+                         |                   Store              |
+                         |  (module: store, manages key-value   |
+                         |          data storage)               |
+                         +-------------------+------------------+
+                                             |
+                                             | Execute Command (e.g., set, get, incr_by)
+                                             v
+                         +-------------------+------------------+
+                         |                   Frame              |
+                         |  (module: frame, function: serialize)|
+                         +-------------------+------------------+
+                                             |
+                                             | Encode Response
+                                             v
+                         +-------------------+------------------+
+                         |                   Codec              |
+                         |  (module: codec, function: encode)   |
+                         +-------------------+------------------+
+                                             |
+                                             | Write Data to TCP Stream
+                                             v
+                         +-------------------+------------------+
+                         |                Connection            |
+                         |   (module: connection, manages TCP   |
+                         |        connections and streams)      |
+                         +-------------------+------------------+
+                                             |
+                                             | Send Response
+                                             v
+                         +-------------------+------------------+
+                         |             Redis Client             |
+                         +--------------------------------------+