feat: new docker image with every dependency packaged

[akhilmhdh]

Description 📣

1. This docker file contains everything packaged together including postgres and redis
2. Caution: used only for poc testing of infisical for clients
3. Small fix in docker ignore to avoid copying of .env files in nested. directories

Type ✨

• [ ] Bug fix
• [x] New feature
• [ ] Breaking change
• [ ] Documentation

Tests 🛠️

# Here's some code block to paste some code snippets

---

• [ ] I have read the contributing guide, agreed and acknowledged the code of conduct. 📝