Add issue templates (#551)

* Create bug.yaml

* Create feature.yaml

* Create config.yml

* Add DAW/host field

Also change version from placeholder to value so it is pre-filled

* Change OS field from dropdown to input

.github/ISSUE_TEMPLATE/bug.yaml

@@ -0,0 +1,42 @@
+name: Bug Report
+description: Report a bug with Cardinal
+body:
+  - type: input
+    id: version
+    attributes:
+      label: Version
+      value: "23.10"
+    validations:
+      required: true
+  - type: dropdown
+    id: plugin-type
+    attributes:
+      label: Plugin type
+      multiple: true
+      options:
+        - Native
+        - AU
+        - CLAP
+        - LV2
+        - VST2
+        - VST3
+    validations:
+      required: true
+  - type: input
+    id: os
+    attributes:
+      label: OS
+    validations:
+      required: true
+  - type: input
+    id: daw-host
+    attributes:
+      label: "DAW / host"
+    validations:
+      required: false
+  - type: textarea
+    id: bug-description
+    attributes:
+      label: Description
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,8 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Module request
+    url: https://github.com/DISTRHO/Cardinal/wiki/Possible-modules-to-include
+    about: To request a new module, add it to the wiki page here
+  - name: Discussions
+    url: https://github.com/DISTRHO/Cardinal/discussions
+    about: Ask other questions or share what you've made with Cardinal

.github/ISSUE_TEMPLATE/feature.yaml

@@ -0,0 +1,9 @@
+name: Feature request
+description: Request a new feature
+body:
+  - type: textarea
+    id: feature-description
+    attributes:
+      label: Description
+    validations:
+      required: true