feat: Added styles.yml File in ISSUE TEMPLATES List (#640)

## Related Issue

- Information about the related issue No : #592 

Closes: #592 

### Describe the changes you've made
- **Created styles.yml File in .github/ISSUE_TEMPLATES Section for
Raising Enhancement and Code Style Related Issues**

## Type of change
- **Added Suitable YAML Code for styles.yml File** 

<!--
Example how to mark a checkbox:-
- [x] My code follows the code style of this project.
-->

- [ ] Bug fix (non-breaking change which fixes an issue)
- [x] New feature (non-breaking change which adds functionality)
- [ ] Code style update (formatting, local variables)
- [ ] Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [ ] Documentation update.
- [ ] This change requires a documentation update

## How Has This Been Tested?

<!-- Describe how have you verified the changes made -->

## Checklist

<!--
Example how to mark a checkbox:-
- [x] My code follows the code style of this project.
-->

- [x] My code follows the guidelines of this project.
- [x] I have performed a self-review of my own code.
- [ ] I have commented on my code, particularly wherever it was hard to
understand.
- [x] I have made corresponding changes to the documentation.
- [x] My changes generate no new warnings.
- [ ] I have added tests that prove my fix is effective or that my
feature works.
- [ ] Any dependent changes have been merged and published in downstream
modules.

## Screenshots (if applicable)

## Code of Conduct

- [x] I agree to follow this project's [Code of
Conduct](https://github.com/amanjaiman1/Product_3D/blob/main/CODE_OF_CONDUCT.md)

.github/ISSUE_TEMPLATE/styles.yml

@@ -0,0 +1,39 @@
+name: Style Changing Request
+description: Suggest a style design
+title: '[style]: '
+labels: ['enhancement']
+
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out this template!
+  - type: textarea
+    id: style-idea
+    attributes:
+      label: What's the style idea?
+      placeholder: Add descriptions
+      value: 'We need to improve'
+    validations:
+      required: true
+  - type: textarea
+    id: screenshots
+    attributes:
+      label: Add screenshots
+      description: Add screenshots to show the demo
+      placeholder: Add screenshots
+      value: 'Add screenshots'
+  - type: checkboxes
+    id: terms
+    attributes:
+      label: Code of Conduct
+      description: By submitting this issue, you agree to follow our Code of Conduct
+      options:
+        - label: I agree to follow this project's Code of Conduct
+          required: true
+        - label: I have read the [Contributing Guidelines](https://github.com/amanjaiman1/Product_3D/blob/main/CONTRIBUTING.md)
+          required: true
+        - label: I agree to follow this project's [Code of Conduct](https://github.com/amanjaiman1/Product_3D/blob/main/CODE_OF_CONDUCT.md)
+          required: true
+        - label: I'm a GSSoC'23 contributor
+        - label: I want to work on this issue