Add comprehensive coding patterns documentation to Dev-Journal

README.md

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 # Dev-Journal
-This repository is essentially a conversation with myself where I am listing the topics that I want to lean and understand. Over the period of time I want to write my notes in comments and increase the knowledge bank.
+This repository is essentially a conversation with myself where I am listing the topics that I want to learn and understand. Over the period of time I want to write my notes in comments and increase the knowledge bank.
+
+## Contents
+
+### [Coding Patterns](./coding-patterns/)
+Comprehensive documentation about different coding patterns used in software development:
+
+- **[Design Patterns](./coding-patterns/design-patterns/)**: Classical software design patterns including Creational, Structural, and Behavioral patterns
+- **[Architectural Patterns](./coding-patterns/architectural-patterns/)**: High-level patterns like MVC, MVP, MVVM, Microservices, and Event-Driven Architecture
+- **[Programming Paradigms](./coding-patterns/programming-paradigms/)**: Different approaches to programming including OOP, Functional, Procedural, and Reactive Programming
+- **[Code Organization Patterns](./coding-patterns/code-organization/)**: Patterns for organizing and structuring code including Module Pattern, Repository Pattern, and Dependency Injection
+
+---
+
+*This knowledge bank serves as a reference for understanding and implementing various concepts in software development.*

coding-patterns/README.md

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+# Coding Patterns
+
+This section contains documentation about different coding patterns that are commonly used in software development. Understanding these patterns is crucial for writing maintainable, scalable, and robust code.
+
+## Table of Contents
+
+### [Design Patterns](./design-patterns/)
+Classical software design patterns that provide solutions to common design problems.
+
+- **Creational Patterns**: Focus on object creation mechanisms
+- **Structural Patterns**: Deal with object composition and relationships
+- **Behavioral Patterns**: Focus on communication between objects and assignment of responsibilities
+
+### [Architectural Patterns](./architectural-patterns/)
+High-level patterns that define the overall structure of software applications.
+
+- **MVC (Model-View-Controller)**
+- **MVP (Model-View-Presenter)**
+- **MVVM (Model-View-ViewModel)**
+- **Layered Architecture**
+- **Microservices**
+- **Event-Driven Architecture**
+
+### [Programming Paradigms](./programming-paradigms/)
+Different approaches to programming and problem-solving.
+
+- **Object-Oriented Programming (OOP)**
+- **Functional Programming**
+- **Procedural Programming**
+- **Reactive Programming**
+
+### [Code Organization Patterns](./code-organization/)
+Patterns for organizing and structuring code for better maintainability.
+
+- **Module Pattern**
+- **Repository Pattern**
+- **Dependency Injection**
+- **Factory Pattern Implementation**
+
+---
+
+*This documentation serves as a reference guide for understanding and implementing various coding patterns in software development projects.*

coding-patterns/architectural-patterns/README.md

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+# Architectural Patterns
+
+Architectural patterns define the fundamental organization of software systems. They provide templates for organizing code at a high level and establish relationships between different components.
+
+## MVC (Model-View-Controller)
+
+**Purpose**: Separates application logic into three interconnected components.
+
+**Components**:
+- **Model**: Manages data and business logic
+- **View**: Handles the presentation layer
+- **Controller**: Manages user input and coordinates between Model and View
+
+**Use Cases**:
+- Web applications
+- Desktop applications
+- Mobile apps
+
+**Benefits**:
+- Separation of concerns
+- Easier testing
+- Parallel development
+
+## MVP (Model-View-Presenter)
+
+**Purpose**: Similar to MVC but the Presenter handles all UI logic.
+
+**Key Differences from MVC**:
+- View is more passive
+- Presenter contains all presentation logic
+- Better testability
+
+**Use Cases**:
+- Windows Forms applications
+- Android applications (with Activities/Fragments)
+
+## MVVM (Model-View-ViewModel)
+
+**Purpose**: Separates business logic from UI through data binding.
+
+**Components**:
+- **Model**: Data and business logic
+- **View**: UI components
+- **ViewModel**: Binding layer between View and Model
+
+**Use Cases**:
+- WPF applications
+- Angular applications
+- React with state management
+
+## Layered Architecture
+
+**Purpose**: Organizes code into horizontal layers with specific responsibilities.
+
+**Common Layers**:
+1. **Presentation Layer**: UI and user interaction
+2. **Business Layer**: Business logic and rules
+3. **Data Access Layer**: Data persistence and retrieval
+4. **Database Layer**: Data storage
+
+**Benefits**:
+- Clear separation of concerns
+- Easy to maintain and test
+- Scalable architecture
+
+## Microservices Architecture
+
+**Purpose**: Decomposes applications into small, independent services.
+
+**Characteristics**:
+- Service independence
+- Technology diversity
+- Decentralized governance
+- Fault isolation
+
+**Use Cases**:
+- Large-scale applications
+- Multi-team development
+- Cloud-native applications
+
+**Challenges**:
+- Distributed system complexity
+- Network latency
+- Data consistency
+
+## Event-Driven Architecture
+
+**Purpose**: Uses events to trigger and communicate between services.
+
+**Components**:
+- **Event Producers**: Generate events
+- **Event Consumers**: Process events
+- **Event Brokers**: Route events
+
+**Benefits**:
+- Loose coupling
+- Scalability
+- Real-time processing
+
+**Use Cases**:
+- Real-time analytics
+- IoT systems
+- Notification systems
+
+## Hexagonal Architecture (Ports and Adapters)
+
+**Purpose**: Isolates core business logic from external concerns.
+
+**Key Concepts**:
+- **Ports**: Define interfaces
+- **Adapters**: Implement interfaces
+- **Core**: Business logic (isolated)
+
+**Benefits**:
+- Testability
+- Technology independence
+- Clean boundaries
+
+---
+
+*Choose the architectural pattern that best fits your application's requirements, team structure, and scalability needs.*