[TNT-000] README.md

README.md

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+# TnT (Trainer & Trainee)  
+
+> 트레이너, 트레이니를 위한 PT 통합 관리 서비스
+
+<img width="2267" alt="TnT 2" src="https://github.com/user-attachments/assets/ce3d3242-8d7d-4b0d-a4b5-565d65ce9cc5" />
+
+## 🛠️ Spec
+- `Clean Architecture`
+- `MVI`
+- `Hilt`
+- `Coroutines`
+- `Jetpack Compose`
+- `Retrofit2`
+- `DataStore`
+- `Serialization`
+- `Coil`
+- `FCM`
+- `Ktlint`, `Detekt`
+
+## 🚙 Navigation Structure
+```mermaid
+flowchart TD
+    Login[Login]
+    RoleSelection[RoleSelection]
+
+    TraineeSignUp[TraineeSignUp]
+    TrainerSignUp[TrainerSignUp]
+
+    TraineeConnect[TraineeConnect]
+    TrainerInvite[TrainerInvite]
+    TrainerConnect[TrainerConnect]
+
+    TraineeMain[TraineeMain]
+    TrainerMain[TrainerMain]
+
+    subgraph "Trainee Routes"
+        TraineeHome[TraineeMainTab.Home]
+        TraineeMyPage[TraineeMainTab.MyPage]
+        TraineeMealRecord[TraineeMealRecord]
+        TraineeMealDetail[TraineeMealDetail]
+    end
+
+    subgraph "Trainer Routes"
+        TrainerHome[TrainerMainTab.Home]
+        TrainerMembers[TrainerMainTab.Members]
+        TrainerFeedback[TrainerMainTab.Feedback]
+        TrainerMyPage[TrainerMainTab.MyPage]
+        AddPtSession[AddPtSession]
+    end
+
+    Login --> RoleSelection
+    RoleSelection --> TraineeSignUp
+    RoleSelection --> TrainerSignUp
+
+    TraineeSignUp --> TraineeConnect
+    TraineeConnect --> TraineeMain
+
+    TrainerSignUp --> TrainerInvite
+    TrainerConnect --> TrainerMain
+
+    TrainerInvite --> TrainerMain
+
+    TraineeMain --> TraineeHome
+    TraineeMain --> TraineeMyPage
+    TraineeHome --> TraineeMealRecord
+    TraineeMealRecord --> TraineeMealDetail
+
+    TrainerMain --> TrainerHome
+    TrainerMain --> TrainerMembers
+    TrainerMain --> TrainerFeedback
+    TrainerMain --> TrainerMyPage
+    TrainerHome --> AddPtSession
+```
+
+
+## 📦 Package Structure
+```
+App
+├── build-logic/                   
+├── domain/                        
+├── data/                          
+│   ├── network/  
+│   ├── storage/  
+│   ├── repository/  
+│   └── session/  
+├── core/                          
+│   ├── designsystem/  
+│   ├── navigation/  
+│   ├── ui/  
+│   └── login/  
+├── feature/                       
+│   ├── main/  
+│   ├── login/  
+│   ├── roleselect/  
+│   ├── webview/  
+│   ├── trainer/                   
+│   │   ├── signup/  
+│   │   ├── connect/  
+│   │   ├── invite/  
+│   │   ├── main/  
+│   │   ├── home/  
+│   │   ├── feedback/  
+│   │   ├── members/  
+│   │   ├── mypage/  
+│   │   ├── notification/  
+│   │   ├── addptsession/  
+│   │   └── modifymyinfo/  
+│   └── trainee/                   
+│       ├── signup/  
+│       ├── connect/  
+│       ├── main/  
+│       ├── home/  
+│       ├── mypage/  
+│       ├── notification/  
+│       ├── mealrecord/  
+│       ├── mealdetail/
+│       └── modifymyinfo/
+└── gradle/  
+    └── libs.versions.toml         
+```