Adding new issue template

.github/ISSUE_TEMPLATE/bug_report.yml

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+name: Bug report
+description: "Create a report to help us improve"
+title: "[BUG]: "
+labels: ["bug"]
+body:
+   - type: markdown
+    attributes:
+      value: "### Before you open an issue, please verify if a similar one already exists or has been closed before. More details about the process of contributing can be found in [CONTRIBUTING.md](https://github.com/TheAlgorithms/JavaScript/blob/master/CONTRIBUTING.md)."
+   - type: textarea
+    id: description
+    attributes:
+      label: Description
+      description: Explain what the problem is.
+    validations:
+      required: true
+  - type: textarea
+    id: expectedbhv
+    attributes:
+      label: Expected Behavior
+      description: Describe what was the expected behavior.
+    validations:
+      required: true
+  - type: textarea
+    id: actualbhv
+    attributes:
+      label: Actual Behavior
+      description: Describe what actually happens.
+    validations:
+      required: true
+  - type: textarea
+    id: steps
+    attributes:
+      label: Steps to reproduce (if applicable)
+      description: List steps to reproduce the behavior.
+      placeholder: |
+        1. 
+        2. 
+        3. 
+        4.
+    validations:
+      required: false
+  - type: textarea
+    id: specifications
+    attributes:
+      label: Specifications
+      description: Specify version, platform, and web browser (if applicable).
+      placeholder: |
+        1. Version:
+        2. Platform:
+        3. Browser:
+    validations:
+      required: false

.github/ISSUE_TEMPLATE/feature_request.yml

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+name: Feature request
+description: 'Suggest features, propose improvements, discuss new ideas'
+title: '[FEATURE]: '
+labels: ['enhancement']
+body:
+  - type: markdown
+    attributes:
+      value: |
+        ## This issue template is not for requesting new algorithms. For new algorithms, PRs should be opened directly.
+        ## Make sure your issue isn't a duplicate and you follow our [contributing guidelines](https://github.com/TheAlgorithms/JavaScript/blob/master/CONTRIBUTING.md)
+  - type: textarea
+    id: description
+    attributes:
+      label: Motivation
+      description: Describe what is the motivation behind this feature.
+    validations:
+      required: true
+  - type: textarea
+    id: examples
+    attributes:
+      label: Examples
+      description: If possible, provide examples of how this feature can be used.
+    validations:
+      required: false
+  - type: textarea
+    id: workarounds
+    attributes:
+      label: Possible workarounds
+      description: If possible, describes possible workarounds to this feature.
+    validations:
+      required: false