Enhance repo organization and structure

.dockerignore

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+# Git
+.git
+.gitignore
+.gitattributes
+
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+*.egg-info/
+dist/
+build/
+*.egg
+
+# Virtual environments
+venv/
+env/
+ENV/
+.venv
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# Project specific
+models/*.h5
+models/*.pkl
+data/*
+outputs/
+logs/
+*.log
+
+# Documentation
+docs/_build/
+
+# Tests
+.pytest_cache/
+.coverage
+htmlcov/
+.tox/
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Jupyter
+.ipynb_checkpoints/
+
+# Temporary
+*.tmp
+*.bak

.editorconfig

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+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+end_of_line = lf
+insert_final_newline = true
+charset = utf-8
+trim_trailing_whitespace = true
+
+# Python files
+[*.py]
+indent_style = space
+indent_size = 4
+max_line_length = 100
+
+# YAML files
+[*.{yml,yaml}]
+indent_style = space
+indent_size = 2
+
+# JSON files
+[*.json]
+indent_style = space
+indent_size = 2
+
+# Markdown files
+[*.md]
+trim_trailing_whitespace = false
+max_line_length = off
+
+# Makefile
+[Makefile]
+indent_style = tab

.env.example

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+# Environment Configuration Template
+# Copy this file to .env and customize the values
+
+# Model Configuration
+MODEL_PATH=models/sentiment_lstm_model.h5
+TOKENIZER_PATH=models/tokenizer.pkl
+HISTORY_PATH=models/training_history.json
+
+# Training Configuration
+EPOCHS=5
+BATCH_SIZE=128
+LEARNING_RATE=0.001
+VALIDATION_SPLIT=0.2
+
+# Model Architecture
+VOCAB_SIZE=10000
+MAX_LENGTH=300
+EMBEDDING_DIM=128
+LSTM_UNITS_1=64
+LSTM_UNITS_2=32
+DROPOUT_RATE=0.5
+
+# Logging
+LOG_LEVEL=INFO
+LOG_FILE=logs/sentiment_analysis.log
+
+# Directories
+DATA_DIR=data
+MODELS_DIR=models
+OUTPUTS_DIR=outputs
+LOGS_DIR=logs
+
+# TensorFlow Configuration
+TF_CPP_MIN_LOG_LEVEL=2
+CUDA_VISIBLE_DEVICES=0
+
+# API Configuration (for FastAPI)
+API_HOST=0.0.0.0
+API_PORT=8000
+API_WORKERS=4
+API_RELOAD=false
+
+# Database (optional, for production deployments)
+# DATABASE_URL=postgresql://user:password@localhost/sentiment_db
+
+# Redis (optional, for caching)
+# REDIS_URL=redis://localhost:6379/0
+
+# Monitoring (optional)
+# SENTRY_DSN=https://...
+# PROMETHEUS_PORT=9090

.flake8

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+[flake8]
+max-line-length = 100
+extend-ignore = E203, W503, E501
+exclude =
+    .git,
+    __pycache__,
+    .venv,
+    venv,
+    .tox,
+    build,
+    dist,
+    *.egg-info,
+    .pytest_cache,
+    .mypy_cache
+per-file-ignores =
+    __init__.py:F401
+max-complexity = 10
+docstring-convention = google

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug Report
+about: Create a report to help us improve
+title: '[BUG] '
+labels: bug
+assignees: ''
+---
+
+## Bug Description
+A clear and concise description of what the bug is.
+
+## To Reproduce
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Run '....'
+3. See error
+
+## Expected Behavior
+A clear and concise description of what you expected to happen.
+
+## Actual Behavior
+What actually happened.
+
+## Error Messages/Logs
+```
+Paste any error messages or logs here
+```
+
+## Environment
+- OS: [e.g., Ubuntu 20.04, Windows 10, macOS 12]
+- Python Version: [e.g., 3.10.5]
+- TensorFlow Version: [e.g., 2.10.0]
+- Package Version: [e.g., 1.0.0]
+
+## Additional Context
+Add any other context about the problem here, such as:
+- Screenshots
+- Related issues
+- Possible solutions you've tried

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature Request
+about: Suggest an idea for this project
+title: '[FEATURE] '
+labels: enhancement
+assignees: ''
+---
+
+## Is your feature request related to a problem?
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+## Describe the solution you'd like
+A clear and concise description of what you want to happen.
+
+## Describe alternatives you've considered
+A clear and concise description of any alternative solutions or features you've considered.
+
+## Additional context
+Add any other context, screenshots, or examples about the feature request here.
+
+## Potential Implementation
+If you have ideas about how to implement this feature, please share them here.

.github/pull_request_template.md

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+## Description
+Please include a summary of the changes and which issue is fixed. Include relevant motivation and context.
+
+Fixes # (issue)
+
+## Type of Change
+Please delete options that are not relevant.
+
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
+- [ ] Documentation update
+- [ ] Performance improvement
+- [ ] Code refactoring
+
+## How Has This Been Tested?
+Please describe the tests that you ran to verify your changes.
+
+- [ ] Test A
+- [ ] Test B
+
+## Checklist
+- [ ] My code follows the style guidelines of this project
+- [ ] I have performed a self-review of my own code
+- [ ] I have commented my code, particularly in hard-to-understand areas
+- [ ] I have made corresponding changes to the documentation
+- [ ] My changes generate no new warnings
+- [ ] I have added tests that prove my fix is effective or that my feature works
+- [ ] New and existing unit tests pass locally with my changes
+- [ ] Any dependent changes have been merged and published
+
+## Screenshots (if appropriate)
+
+## Additional Notes