feat: Add git templates (#139)

.github/CODEOWNERS

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+# WIRIS INTEGRATIONS TEAM
+* @carla-at-wiris @jgonzalez-at-wiris @usantos-at-wiris @xjiang-at-wiris @ncornaglia-at-wiris

.github/pull_request_template.md

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+## Description
+
+> Please include a summary of the changes and the related issue. Please also include relevant motivation and context. List any dependencies that are required for this change. Include, if necessary, a description of the proposed solution and the reasoning behind it.
+
+- **Related Kanbanize Card:** [Link to KB-X](https://wiris.kanbanize.com/ctrl_board/2/cards/X/details/)
+- **Related GitHub Issue:** Closes #X (_Associated GitHub issue, if any_)
+
+## Type of Change
+
+> Please delete options that are not relevant.
+
+- [ ] Feature (non-breaking change which adds functionality)
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] Chore (non-breaking change that doesn't add any functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
+- [ ] Documentation update (changes to documentation only)
+- [ ] Refactoring (non-breaking change that improves the code structure)
+
+## Checklist
+
+- [ ] I have commented my code, particularly in hard-to-understand areas
+- [ ] I have made corresponding changes to the documentation (if applicable)
+- [ ] My changes generate no new warnings or errors
+- [ ] I have added tests that prove my fix is effective or that my feature works (if applicable)
+- [ ] New and existing unit tests pass locally with my changes
+
+## How should be tested? (Manual or Automated Tests)
+
+> Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce,also list any relevant details for your test configuration.
+
+- **Manual tests:** I have tested this changes manually.