feat: [OCA-1601] - Adds Elastic Stack and Weaviate Marketplace Apps

[n0vabyte]

Description 📝

Adds 2 new marketplace applications to the Cloud Manager:

• Weaviate (ID: 1966231) - Vector Database used for RAG
• Elastic Stack (ID: 1966222) - Stack for monitoring and log visualization

Changes 🔄

• Added app entries to oneClickApps.ts with proper descriptions, categories, colors, and related guides
• Added both colored and white SVG assets for all three applications
• All entries marked as isNew: true to display the "New" badge

Scope 🚢

Upon production release, changes in this PR will be visible to:

• [x] All customers
• [ ] Some customers (e.g. in Beta or Limited Availability)
• [ ] No customers / Not applicable

Target release date 🗓️

Next available release

Preview 📷

Before	After
📷	📷

How to test 🧪

Verification steps

• Confirm added app entries to oneClickApps.ts with proper descriptions, categories, colors, and related guides
• Confirm both colored and white SVG assets for all three applications
• Confirm all entries marked as isNew: true to display the "New" badge / show up in the New Apps section

Author Checklists

As an Author, to speed up the review process, I considered 🤔

👀 Doing a self review ❔ Our contribution guidelines 🤏 Splitting feature into small PRs ➕ Adding a changeset 🧪 Providing/improving test coverage 🔐 Removing all sensitive information from the code and PR description 🚩 Using a feature flag to protect the release 👣 Providing comprehensive reproduction steps 📑 Providing or updating our documentation 🕛 Scheduling a pair reviewing session 📱 Providing mobile support ♿ Providing accessibility support

• [x] I have read and considered all applicable items listed above.

As an Author, before moving this PR from Draft to Open, I confirmed ✅

• [x] All tests and CI checks are passing
• [x] TypeScript compilation succeeded without errors
• [x] Code passes all linting rules

[n0vabyte]

Code review ✅ Verification steps ✅

@n0vabyte Can you add a changeset for these additions?

Change set has been created!

[linode-gh-bot]

Cloud Manager UI test results

:tada: 831 passing tests on test run #5 ↗︎

:x: Failing	:white_check_mark: Passing	:arrow_right_hook: Skipped	:clock1: Duration
0 Failing	831 Passing	11 Skipped	45m 55s