Added new issue template (#209)

.github/ISSUE_TEMPLATE/1-bug.yml

@@ -0,0 +1,34 @@
+name: Bug Report
+description: Something does not seem right
+labels: [bug]
+body:
+  - type: textarea
+    id: what-happened
+    attributes:
+      label: What happened?
+      description: What happened that shouldn't have?
+    validations:
+      required: true
+  - type: textarea
+    id: reproduction-steps
+    attributes:
+      label: Reproduction steps
+      value: |
+        1. [First step]
+        2. [Second step]
+        3. etc.
+  - type: input
+    id: insta-version
+    attributes:
+      label: Insta Version
+      description: What version of insta are you using?
+  - type: input
+    id: rustc-version
+    attributes:
+      label: rustc Version
+      description: What version of rustc are you using?
+  - type: textarea
+    id: expectations
+    attributes:
+      label: What did you expect?
+      placeholder: What do you think should have happened?