Add: Stock tracker, Jenkins CI/CD pipeline, linting config

- stock_tracker.py: Portfolio tracking with P&L calculations
- Jenkinsfile: Full CI/CD with linting, testing, deployment
- test_requirements.txt: Testing dependencies
- .pylintrc: Linting configuration
- requirements.txt: Production dependencies

Features:
- Stock & crypto portfolio tracking
- Investment guideline checks
- Unit tests & linting pipeline
- Integration tests for Oracle/Telegram/Gitea
- Staging & Production deployment stages

test_requirements.txt

@@ -0,0 +1,25 @@
+# Test Dependencies
+pytest>=7.0.0
+pytest-cov>=4.0.0
+pytest-mock>=3.10.0
+responses>=0.23.0
+httpx>=0.25.0
+
+# Code Quality
+flake8>=6.0.0
+flake8-docstrings>=1.7.0
+flake8-builtins>=2.0.0
+flake8-comprehensions>=3.12.0
+flake8-logging-format>=0.9.0
+pylint>=2.17.0
+bandit>=1.7.0
+safety>=2.3.0
+vulture>=2.7.0
+mypy>=1.5.0
+black>=23.0.0
+isort>=5.12.0
+pre-commit>=3.5.0
+
+# Coverage
+coverage>=7.0.0
+coveralls>=3.3.0