Update chart to enable deployment on different k8s distributions.

[Irakus]

📝 Description

• Removed implicite namespace from resources as it's added by helm by default
• Added new init job for shared volumes. It's purpose is to make sure that it's possible to create a pod with all mounted volumes. There was an issue on multi-node clusters where volumes were created on different nodes and web app couldn't be deployed
• Added values for more images to be easilly replacable
• Updating Makefile to be able to correctly package helm chart
• Updating docs to reflect new changes and manual to deploy on any k8s cluster

✨ Type of Change

Select the type of change your PR introduces:

• 🐞 Bug fix – Non-breaking change which fixes an issue
• 🚀 New feature – Non-breaking change which adds functionality
• 🔨 Refactor – Non-breaking change which refactors the code base
• 💥 Breaking change – Changes that break existing functionality
• 📚 Documentation update
• 🔒 Security update
• 🧪 Tests
• 🚂 CI

🧪 Testing Scenarios

Describe how the changes were tested and how reviewers can test them too:

• ✅ Tested manually
• 🤖 Ran automated end-to-end tests

✅ Checklist

Before submitting the PR, ensure the following:

• 🔍 PR title is clear and descriptive
• 📝 For internal contributors: If applicable, include the JIRA ticket number (e.g., ITEP-123456) in the PR title. Do not include full URLs
• 💬 I have commented my code, especially in hard-to-understand areas
• 📄 I have made corresponding changes to the documentation
• ✅ I have added tests that prove my fix is effective or my feature works