Adds Serverless UX bug bash issue template for the Docs (#57)

Author: KOTungseth

.github/ISSUE_TEMPLATE/serverless-ux-bug-bash-issue.yaml

@@ -0,0 +1,53 @@
+name: "Serverless UX bug bash issue"
+description: Issues found in the Serverless Docs as part of the Serverless UX bug bash.
+title: "[REQUEST]: "
+labels: ["request", "Team:Docs"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out this request! This form will create an issue that the Docs team will triage and prioritize.
+
+        ### For best results, complete all fields.
+  - type: dropdown
+    id: project-type
+    attributes:
+      label: Serverless Docs
+      description: Select the Serverless Docs set this change impacts.
+      options:
+        - Welcome to Elastic Serverless
+        - Elasticsearch
+        - Elastic Observability
+        - Elastic Security
+        - Dev tools
+        - Project and management settings
+      default: 0
+    validations:
+      required: true
+  - type: textarea
+    id: description
+    attributes:
+      label: Description
+      description: Describe the issue. 
+      placeholder: |
+        Provide a description of the issue you found.
+        Describe the steps to reproduce the issue. 
+        Describe the expected behavior.
+        Provide screenshots of the issue.
+    validations:
+      required: true
+  - type: textarea
+    id: related
+    attributes:
+      label: Resources and additional context
+      description: Provide any resources and additional context for the Docs team to learn about the issue.
+      placeholder: |
+        There was a change implemented in {link_to_PR}.
+
+        Context for the issue is described in {link_to_internal_doc}.
+    validations:
+      required: true
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for filling out this form and improving the Serverless Docs.