Added meta and refactor issue templates

.github/ISSUE_TEMPLATE/meta_request.md

@@ -0,0 +1,26 @@
+---
+name: 📑 Meta request
+about: Suggest an idea or a change for this same repository
+title: '[Meta] '
+labels: 'meta'
+assignees: ''
+
+---
+
+## Description
+
+As a X, I want to Y, so Z.
+
+## Acceptance Criteria
+
+* Criteria 1
+* Criteria 2
+
+## Checklist
+
+* [ ] Element 1
+* [ ] Element 2
+
+## (Optional) Extra info
+
+None

.github/ISSUE_TEMPLATE/refactor_request.md

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+---
+name: ⚙️ Refactor request
+about: Suggest a refactor for this project
+title: '[Refactor] '
+labels: 'enhancement'
+assignees: ''
+
+---
+
+## Description
+
+As a X, I want to Y, so Z.
+
+## Acceptance Criteria
+
+* Criteria 1
+* Criteria 2
+
+## Checklist
+
+* [ ] Element 1
+* [ ] Element 2
+
+## (Optional) Extra info
+
+None