Update issue templates

Author: aaronfranke

.github/ISSUE_TEMPLATE/bug-report.md

@@ -0,0 +1,34 @@
+---
+name: Bug Report
+about: Report a bug with one of the demo projects.
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+<!--
+Please search existing issues for potential duplicates before filing yours:
+https://github.com/godotengine/godot-demo-projects/issues?q=is%3Aissue
+
+Only submit an issue if it is reproducible with the latest stable Godot version.
+-->
+
+**Which demo project is affected:**
+<!-- Specify the project name or path. -->
+
+
+**OS/device including version:**
+<!-- Specify GPU model and drivers if graphics-related. -->
+
+
+**Issue description:**
+<!-- What happened, what was expected, and what went wrong. -->
+
+
+**Screenshots of issue:**
+<!--
+This section is optional.
+Drag in an image, or post an image with a link in the form of:
+![Alt Text Here](https://pbs.twimg.com/media/DW5AJnZVAAM1805?format=jpg)
+-->

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,34 @@
+---
+name: Bug report
+about: Report a bug with one of the demo projects
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+<!--
+Please search existing issues for potential duplicates before filing yours:
+https://github.com/godotengine/godot-demo-projects/issues?q=is%3Aissue
+
+Only submit an issue if it is reproducible with the latest stable Godot version.
+-->
+
+**Which demo project is affected:**
+<!-- Specify the project name or path. -->
+
+
+**OS/device including version:**
+<!-- Specify GPU model and drivers if graphics-related. -->
+
+
+**Issue description:**
+<!-- What happened, what was expected, and what went wrong. -->
+
+
+**Screenshots of issue:**
+<!--
+This section is optional.
+Drag in an image, or post an image with a link in the form of:
+![Alt Text Here](https://pbs.twimg.com/media/DW5AJnZVAAM1805?format=jpg)
+-->

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

@@ -0,0 +1,19 @@
+---
+name: Feature / Enhancement Request
+about: Adding new features or improving existing ones.
+title: ''
+labels: enhancement
+assignees: ''
+
+---
+
+<!--
+Please search existing issues for potential duplicates before filing yours:
+https://github.com/godotengine/godot-demo-projects/issues?q=is%3Aissue
+-->
+
+**Which demo project is affected:**
+<!-- Specify the project name or path. -->
+
+
+**Description:**