Add BERTopic.

LLMTopicDetection_BERTopic/.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,30 @@
+name: "\U0001F680 Feature request"
+description: Submit a proposal/request for a new BERTopic feature
+labels: ["Feature request"]
+body:
+  - type: textarea
+    id: feature-request
+    validations:
+      required: true
+    attributes:
+      label: Feature request
+      description: |
+        A clear and concise description of the feature proposal.
+
+  - type: textarea
+    id: motivation
+    validations:
+      required: true
+    attributes:
+      label: Motivation
+      description: |
+        Please outline the motivation for the proposal. If this is related to another GitHub issue, please link here too.
+
+  - type: textarea
+    id: contribution
+    validations:
+      required: true
+    attributes:
+      label: Your contribution
+      description: |
+        Any help on the implementation of this feature would be greatly appreciated. If you are interested in working on this, make sure to read the [CONTRIBUTING.MD guide](https://github.com/MaartenGr/BERTopic/blob/master/CONTRIBUTING.md)