misc: Use GitHub Issue Form instead of markdown template (#1494)

Signed-off-by: Manjusaka <me@manjusaka.me>

.github/ISSUE_TEMPLATE/bug_report.yaml

@@ -0,0 +1,56 @@
+name: Bug Report
+description: Bug report for envd
+labels: ["type/bug \U0001F41B"]
+title: "bug: <title>"
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out this bug report!
+  - type: checkboxes
+    attributes:
+      label: Are you use the envd server?
+      description: Please check if you are using the envd server.
+      options:
+        - label: Yes, I am using the envd server.
+        - label: No, I am not using the envd server.
+  - type: textarea
+    attributes:
+      label: Describe the bug
+      description: A clear and concise description of what the bug is.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: To Reproduce
+      description: Steps to reproduce the behavior.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Expected behavior
+      description: A clear and concise description of what you expected to happen.
+    validations:
+      required: false
+  - type: textarea
+    attributes:
+      label: The `docker info` output
+      description: The output of `docker info` command.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: The `envd version` output
+      description: The output of `envd version` command.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Additional context
+      description: Add any other context about the problem here.
+    validations:
+      required: false
+  - type: markdown
+    attributes:
+      value: |
+        Impacted by this bug? Give it a 👍. We prioritise the issues with the most 👍.

.github/ISSUE_TEMPLATE/feature_request.yaml

@@ -0,0 +1,31 @@
+name: Feature Request
+description: Feature request for envd
+labels: ["type/feature \U0001F4A1"]
+title: "feat: <title>"
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out this feature request!
+  - type: textarea
+    attributes:
+      label: Describe the feature
+      description: A clear and concise description of what the feature is.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Why do you need this feature?
+      description: A clear and concise description of why you need this feature.
+    validations:
+      required: false
+  - type: textarea
+    attributes:
+      label: Additional context
+      description: Add any other context about the problem here.
+    validations:
+      required: false
+  - type: markdown
+    attributes:
+      value: |
+        Love this enhancement proposal? Give it a 👍. We prioritise the proposals with the most 👍.