Merge pull request #2836 from Calinou/add-form-github-issue-template

Add a form GitHub issue template for proposals

.github/ISSUE_TEMPLATE/feature---enhancement-proposal.md

@@ -1,25 +0,0 @@
----
-name: Feature / Enhancement proposal
-about: 'Open a new proposal'
-title: ''
-labels: ''
-assignees: ''
-
----
-
-<!--
-Please fill in *all* the questions below and don't remove any of them.
-Proposals not following the template below will be closed immediately.
--->
-
-### Describe the project you are working on
-
-### Describe the problem or limitation you are having in your project
-
-### Describe the feature / enhancement and how it helps to overcome the problem or limitation
-
-### Describe how your proposal will work, with code, pseudo-code, mock-ups, and/or diagrams
-
-### If this enhancement will not be used often, can it be worked around with a few lines of script?
-
-### Is there a reason why this should be core and not an add-on in the asset library?

.github/ISSUE_TEMPLATE/feature_enhancement_proposal.yml

@@ -0,0 +1,52 @@
+name: Feature / Enhancement proposal
+description: Open a new proposal
+body:
+
+- type: markdown
+  attributes:
+    value: |
+      - Write a descriptive proposal title above.
+      - Search [open](https://github.com/godotengine/godot-proposals/issues) and [closed](https://github.com/godotengine/godot-proposals/issues?q=is%3Aissue+is%3Aclosed) proposals to ensure the feature has not already been suggested.
+
+- type: textarea
+  attributes:
+    label: Describe the project you are working on
+    description: This is important to know the *context* in which the feature is being proposed. Features used in real-world projects are more likely to be added.
+    placeholder: Example - "A 3D space game with heavy use of cut-out animation"
+  validations:
+    required: true
+
+- type: textarea
+  attributes:
+    label: Describe the problem or limitation you are having in your project
+    placeholder: Example - "The 3D selection tools are cumbersome to use."
+  validations:
+    required: true
+
+- type: textarea
+  attributes:
+    label: Describe the feature / enhancement and how it helps to overcome the problem or limitation
+    placeholder: Example - "Add keyboard shortcuts to select groups of nodes quickly."
+  validations:
+    required: true
+
+- type: textarea
+  attributes:
+    label: Describe how your proposal will work, with code, pseudo-code, mock-ups, and/or diagrams
+    placeholder: Example - "When the user presses Ctrl + Shift + G, select all nodes that have the group..."
+  validations:
+    required: true
+
+- type: textarea
+  attributes:
+    label: If this enhancement will not be used often, can it be worked around with a few lines of script?
+    placeholder: Example - "This can be worked around with an editor plugin, but it is not particularly convenient."
+  validations:
+    required: true
+
+- type: textarea
+  attributes:
+    label: Is there a reason why this should be core and not an add-on in the asset library?
+    placeholder: Example - "This is about improving the 3D editor usability out of the box."
+  validations:
+    required: true