docs: add Smart Notes branding (logo + project name)

[Sarthakkad05]

This PR improves the README by introducing the official project branding.

Changes

• Added project name “Smart Notes”
• Integrated project logo in the README header

Motivation

Establishing a clear visual identity helps:

• Improve onboarding for new contributors
• Make the repository more engaging
• Align branding across the project

This complete one TODO in readme.

✅ Checklist

• I have read the contributing guidelines.
• I have added tests that prove my fix is effective or that my feature works.
• [x} I have added necessary documentation (if applicable).
• Any dependent changes have been merged and published in downstream modules.
• I have joined the Discord server and I will share a link to this PR with the project maintainers there

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Summary by CodeRabbit

• Documentation
  • Updated project branding in the README header: replaced the placeholder header with the Smart Notes title and logo image to present the official project identity.

[coderabbitai]

Walkthrough

The README header was updated: the placeholder <h1>TODO: Project Name</h1> was replaced with a logo referencing public/logo-icon.svg and a new <h1>Smart Notes</h1>. This is a documentation-only change; no code or public API was modified.

Changes

Cohort / File(s)	Summary
Documentation Update README.md, public/logo-icon.svg	Replaced centered README placeholder header with Smart Notes branding: added an <img> pointing to public/logo-icon.svg (width 140, alt="smart-notes-logo") and updated title to <h1>Smart Notes</h1>. No other content changed.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Suggested labels

Documentation

Poem

🐰 A tiny logo took a hop,
Into Smart Notes it found its spot,
The TODO tucked aside,
A cheerful title by its side,
Hooray — the README's looking hot!

🚥 Pre-merge checks | ✅ 2

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and accurately summarizes the main change: adding Smart Notes branding (logo and project name) to the README documentation.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against the current code and only fix it if needed.

Inline comments:
In `@README.md`:
- Line 51: The img element that renders the project logo (<img
src="https://raw.githubusercontent.com/AOSSIE-Org/SmartNotes/main/public/logo-icon.svg"
width="140" />) lacks alt text; update that img tag in README.md to include a
meaningful alt attribute (e.g., alt="SmartNotes logo" or similar) so screen
readers and fallback loading have a descriptive label.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: ASSERTIVE

Plan: Pro

Run ID: d5b8a16d-91cb-4765-b0e0-6cc53edcc59b

📥 Commits

Reviewing files that changed from the base of the PR and between 4bb58bd and 70cb451.

📒 Files selected for processing (1)

• README.md

[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against the current code and only fix it if needed.

Inline comments:
In `@README.md`:
- Line 51: Replace the hardcoded raw.githubusercontent.com URL in the README
image tag with a repo-relative path: update the img element's src attribute (the
image tag referencing logo-icon.svg) to use a relative path (e.g.,
./public/logo-icon.svg or /public/logo-icon.svg) so previews use the repo copy
rather than the main-branch raw URL.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: ASSERTIVE

Plan: Pro

Run ID: b7efebd6-c195-4c57-927c-5bcd1f1ca59b

📥 Commits

Reviewing files that changed from the base of the PR and between 70cb451 and 466c7e4.

📒 Files selected for processing (1)

• README.md

[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against the current code and only fix it if needed.

Inline comments:
In `@README.md`:
- Around line 51-52: Update the img element's alt attribute to be more natural
and match the project name formatting: change the current alt="smart-notes-logo"
to a readable phrase like "Smart Notes logo" on the <img> tag shown in the
README (the element with src="public/logo-icon.svg"), ensuring the alt text
matches the "Smart Notes" project name used by the surrounding <h1>.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: ASSERTIVE

Plan: Pro

Run ID: d71276e9-b857-4233-b5ba-dba9f02f0522

📥 Commits

Reviewing files that changed from the base of the PR and between 466c7e4 and 7e5c431.

📒 Files selected for processing (1)

• README.md

[Sarthakkad05]

Hi @SharkyBytes I have completed one TODO list from readme file and also resolved all comments from coderabbit by make changes accordingly. I would like your reviews.