feat: Add OSS templates

.github/ISSUE_TEMPLATE/Bug_report.md

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+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**User Story**
+> Add the details of this issue from the user's POV
+
+**Acceptance Criteria(s)**
+> 1. **GIVEN** Given that something happens
+> **WHEN** Under certain conditions
+> **THEN** Then we expect a particular result
+
+**Tech Details**
+>Technical changes that will happen include UI changes, styling updates, integration requirements
+* **UI State Changes:**
+    >  Changes to the frontend interface
+* **Styling Updates:**
+    >  CSS changes for the application
+* **Integration Requirements:**
+    >  Changes to the logic parts of the application or protocol 
+
+
+**Design Link**
+>* Link to the figma design file 
+
+**Notes/Assumptions**
+>* Notes or assumption that has to remain constant. 
+
+**Open Questions**

.github/ISSUE_TEMPLATE/Feature_request.md

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+---
+name: Feature request
+about: New feature for this project
+title: ''
+labels: ''
+assignees: ''
+---
+
+**User Story**
+> Add the details of this issue from the user's POV
+
+**Acceptance Criteria(s)**
+> 1. **GIVEN** Given that something happens
+> **WHEN** Under certain conditions
+> **THEN** Then we expect a particular result
+
+**Tech Details**
+>Technical changes that will happen include UI changes, styling updates, integration requirements
+* **UI State Changes:**
+    >  Changes to the frontend interface
+* **Styling Updates:**
+    >  CSS changes for the application
+* **Integration Requirements:**
+    >  Changes to the logic parts of the application or protocol 
+
+
+**Design Link**
+>* Link to the figma design file 
+
+**Notes/Assumptions**
+>* Notes or assumption that has to remain constant. 
+
+**Open Questions**

.github/ISSUE_TEMPLATE/config.yaml

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+blank_issues_enabled: false
+contact_links:
+  - name: "General Support"
+    url: "https://paycrest.io/"
+    about: "For general inquiries, visit our support page."

.github/PULL_REQUEST_TEMPLATE.md

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+By submitting a PR to this repository, you agree to the terms within the [Paycrest Code of Conduct](https://www.notion.so/paycrest/Contributor-Code-of-Conduct-1602482d45a2806bab75fd314b381f4c?pvs=4). Please see the [contributing guidelines](https://paycrest.notion.site/Contribution-Guide-1602482d45a2809a8930e6ad565c906a?pvs=4) for how to create and submit a high-quality PR for this repo.
+
+### Description
+
+> Describe the purpose of this PR along with any background information and the impacts of the proposed change. For the benefit of the community, please do not assume prior context.
+>
+> Provide details that support your chosen implementation, including: breaking changes, alternatives considered, changes to the API, contracts etc.
+>
+> If the UI is being changed, please provide screenshots.
+
+
+### References
+
+> Include any links supporting this change such as a:
+>
+> - GitHub Issue/PR number addressed or fixed
+> - StackOverflow post
+> - Support forum thread
+> - Related pull requests/issues from other repos
+>
+> If there are no references, simply delete this section.
+
+### Testing
+
+> Describe how this can be tested by reviewers. Be specific about anything not tested and reasons why. If this project has unit and/or integration testing, tests should be added for new functionality and existing tests should complete without errors.
+>
+> Please include any manual steps for testing end-to-end or functionality not covered by unit/integration tests.
+>
+> Also include details of the environment this PR was developed in (language/platform/browser version).
+
+- [ ] This change adds test coverage for new/changed/fixed functionality
+
+### Checklist
+
+- [ ] I have added documentation for new/changed functionality in this PR
+- [ ] All active GitHub checks for tests, formatting, and security are passing
+- [ ] The correct base branch is being used, if not `master`