chore: remove .dockerignore file to streamline Docker build process and eliminate unnecessary exclusions

.dockerignore

@@ -1,97 +0,0 @@
-# Git
-.git
-.gitignore
-.gitattributes
-
-# Documentation
-*.md
-!README.md
-docs/
-CONTRIBUTING.md
-CODE_OF_CONDUCT.md
-LICENSE
-
-# IDE
-.vscode/
-.idea/
-*.swp
-*.swo
-.cursor/
-
-# Node
-**/node_modules/
-**/.next/
-**/dist/
-**/.turbo/
-**/.cache/
-**/coverage/
-
-# Python
-**/__pycache__/
-**/*.pyc
-**/*.pyo
-**/*.pyd
-**/.Python
-**/build/
-**/develop-eggs/
-**/downloads/
-**/eggs/
-**/.eggs/
-# Python venv lib folders (but not frontend lib folders)
-surfsense_backend/lib/
-surfsense_backend/lib64/
-**/parts/
-**/sdist/
-**/var/
-**/wheels/
-**/*.egg-info/
-**/.installed.cfg
-**/*.egg
-**/pip-log.txt
-**/.tox/
-**/.coverage
-**/htmlcov/
-**/.pytest_cache/
-**/nosetests.xml
-**/coverage.xml
-
-# Environment
-**/.env
-**/.env.*
-!**/.env.example
-**/*.local
-
-# Docker
-**/Dockerfile
-**/docker-compose*.yml
-**/.docker/
-
-# Testing
-**/tests/
-**/test/
-**/__tests__/
-**/*.test.*
-**/*.spec.*
-
-# Logs
-**/*.log
-
-# Temporary files
-**/tmp/
-**/temp/
-**/.tmp/
-**/.temp/
-
-# Build artifacts from backend
-surfsense_backend/podcasts/
-surfsense_backend/temp_audio/
-surfsense_backend/*.bak
-surfsense_backend/*.dat
-surfsense_backend/*.dir
-
-# GitHub
-.github/
-
-# Browser extension (not needed for main deployment)
-surfsense_browser_extension/
-