docs(architecture): polish the diagram

Author: orhun

ARCHITECTURE.md

@@ -0,0 +1,65 @@
+# Architecture
+
+Here is an architectural diagram of `binsider` which should help in understanding the various components and how they interact with each other:
+
+```mermaid
+graph TB
+    User((User))
+    ExternalSystems((External Systems))
+
+    subgraph "Binsider Architecture"
+        CLI["Command Line Interface"]
+
+        subgraph "Core Components"
+            Analyzer["Analyzer"]
+            ELFHandler["ELF Handler"]
+            StringExtractor["String Extractor"]
+            Tracer["Tracer"]
+            HexdumpViewer["Hexdump Viewer"]
+        end
+
+        subgraph "TUI Components"
+            TUIManager["TUI Manager<br/>(Ratatui)"]
+            EventHandler["Event Handler"]
+            UIRenderer["UI Renderer<br/>"]
+            StateManager["State Manager"]
+        end
+
+        subgraph "Shared Components"
+            ErrorHandler["Error Handler"]
+            FileIO["File I/O"]
+            ArgParser["Argument Parser<br/>(clap)"]
+        end
+    end
+
+    User --> CLI
+    CLI --> Analyzer
+    Analyzer --> ELFHandler
+    Analyzer --> StringExtractor
+    Analyzer --> Tracer
+    Analyzer --> HexdumpViewer
+    CLI --> TUIManager
+    TUIManager --> EventHandler
+    TUIManager --> UIRenderer
+    TUIManager --> StateManager
+    CLI --> ArgParser
+    Analyzer --> FileIO
+    Tracer --> ExternalSystems
+
+    ErrorHandler -.-> CLI
+    ErrorHandler -.-> Analyzer
+    ErrorHandler -.-> TUIManager
+
+    classDef core fill:#2694ab,stroke:#1a6d7d,color:#ffffff
+    classDef tui fill:#1168bd,stroke:#0b4884,color:#ffffff
+    classDef shared fill:#6b8e23,stroke:#556b2f,color:#ffffff
+    classDef external fill:#999999,stroke:#666666,color:#ffffff
+
+    class Analyzer,ELFHandler,StringExtractor,Tracer,HexdumpViewer core
+    class TUIManager,EventHandler,UIRenderer,StateManager tui
+    class ErrorHandler,FileIO,ArgParser shared
+    class ExternalSystems external
+
+    %% Dotted lines for optional connections
+    linkStyle 13,14,15 stroke-dasharray: 5 5
+```