docs: Add issue template

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,96 @@
+name: Bug Report
+description: You are creating a Game with Flame but you are noticing some strange behavior, that it throws an unexpected exception, or that it is not working according to the specifications.
+title: " "
+labels: ["bug"]
+assignees: ""
+body:
+  - type: markdown
+    attributes:
+      value: |
+        When reporting a bug, please read this complete template and fill in all the questions in order to get a better response!
+ - type: textarea
+    id: what-happened
+    attributes:
+      label: What happened?
+      description: Tell us, what happened?
+    validations:
+      required: true
+
+  - type: textarea
+    id: expectation
+    attributes:
+      label: What do you expect?
+      description: Also tell us, what behavior did you expect? 
+    validations:
+      required: true
+
+# Steps to reproduce
+
+- type: textarea
+    id: expectation
+    attributes:
+      label: How can we reproduce this?
+      description: This one is very important, please be very precise in how we can reproduce this bug
+    validations:
+      required: false
+
+- type: textarea
+    id: expectation
+    attributes:
+      label: What steps should take to fix this?
+      description: If possible please report steps based on the example from this plugin! 
+    validations:
+      required: false
+
+- type: textarea
+    id: expectation
+    attributes:
+      label: Do have an example of what change you want?
+      description: If you can make a minimal reproducible example it is incredibly helpful, the simplest way is to share a link from https://zapp.run, you can start from https://zapp.run/edit/flame where all dependencies are already set up.
+    validations:
+      required: false
+
+  - type: textarea
+    id: logs
+    attributes:
+      label: Relevant log output
+      description: If you have any debug / error logging, please fill it here within the code block below
+      render: shell
+
+
+- type: markdown
+    attributes:
+       label: Execute in a terminal and put output into the code block below 
+        value: ```
+Output of: flutter doctor -v
+```
+
+# More environment information
+
+- type: markdown
+    attributes:
+       label: Create a list of more environment information, like:
+        value: Flame version: 1.0.0
+        value: Platform affected: android, ios, web
+        value: Platform version affected: android 9, ios 13
+
+# More information
+
+- type: textarea
+    id: expectation
+    attributes:
+      label: What do you expect?
+      description: Do you have any other useful information about this bug report? Please write it down here
+    validations:
+      required: false
+
+
+- type: checkboxes
+    id: terms
+    attributes:
+      label:  Are you interested in working on a PR for this?
+      options:
+        - label: I want to work on this
+          required: false
+
+## Possible helpful information: references to other sites/repositories