chore: add bug issue template (#1345)

Author: vladanpaunovic

.github/ISSUE_TEMPLATE/bug.yml

@@ -0,0 +1,50 @@
+name: 🐞 Bug Report
+description: Tell us about something that's not working the way we (probably) intend.
+body:
+  - type: dropdown
+    id: type
+    attributes:
+      label: How do you use Sentry?
+      options:
+        - Sentry Saas (sentry.io)
+        - Self-hosted/on-premise
+    validations:
+      required: true
+  - type: input
+    id: version
+    attributes:
+      label: Version
+      description: Which SDK version?
+      placeholder: ex. 1.5.2
+    validations:
+      required: true
+  - type: textarea
+    id: repro
+    attributes:
+      label: Steps to Reproduce
+      description: How can we see what you're seeing? Specific is terrific.
+      placeholder: |-
+        1. What
+        2. you
+        3. did.
+    validations:
+      required: true
+  - type: textarea
+    id: expected
+    attributes:
+      label: Expected Result
+    validations:
+      required: true
+  - type: textarea
+    id: actual
+    attributes:
+      label: Actual Result
+      description: Logs? Screenshots? Yes, please.
+    validations:
+      required: true
+  - type: markdown
+    attributes:
+      value: |-
+        ## Thanks 🙏
+    validations:
+      required: false