Add issue templates

Add templates for bugs and package update requests based on the templates on Phabricator.

.github/ISSUE_TEMPLATE/bug.yaml

@@ -0,0 +1,74 @@
+---
+name: Bug / Defect Report
+description: Report problems, defects and bugs with Solus, the installer, or software we ship.
+labels:
+  - Bug
+body:
+  - type: textarea
+    id: summary
+    attributes:
+      label: Summary
+      description: A brief summary of the issue. For long text, such as logs, please attach as a text file.
+    validations:
+      required: true
+  - type: textarea
+    id: steps
+    attributes:
+      label: Steps to reproduce
+      placeholder: '1.'
+    validations:
+      required: true
+  - type: textarea
+    id: expected
+    attributes:
+      label: Expected result
+      description: What you expected to happen
+    validations:
+      required: true
+  - type: textarea
+    id: actual
+    attributes:
+      label: Actual result
+      description: What actually happened
+    validations:
+      required: true
+  - type: checkboxes
+    id: environment
+    attributes:
+      label: Environment
+      options:
+        - label: Is system up to date?
+  - type: dropdown
+    id: repo
+    attributes:
+      label: Repo
+      options:
+        - Shannon (stable)
+        - Unstable
+    validations:
+      required: true
+  - type: dropdown
+    id: desktop_environment
+    attributes:
+      label: Desktop Environment
+      options:
+        - Budgie
+        - GNOME
+        - MATE
+        - Plasma
+        - Xfce
+        - Other
+    validations:
+      required: true
+  - type: textarea
+    id: system
+    attributes:
+      label: System details
+      description: Provide the output of *About This System* from the *Application Menu*
+    validations:
+      required: true
+  - type: textarea
+    id: other
+    attributes:
+      label: Other comments
+      description: Any other details that might help diagnose the issue

.github/ISSUE_TEMPLATE/request-package-update.yaml

@@ -0,0 +1,28 @@
+---
+name: Package Update request
+description: Request an update to a package available in the repository.
+labels:
+  - Package Request
+body:
+  - type: input
+    id: name
+    attributes:
+      label: Name
+      description: Name of the software.
+    validations:
+      required: true
+  - type: input
+    id: version
+    attributes:
+      label: Version
+      description: Requested version.
+  - type: input
+    id: url
+    attributes:
+      label: Link to the release notes or announcement.
+  - type: textarea
+    id: other
+    attributes:
+      label: Other comments
+      description: |
+        Anything about this release that would help.

README.md

@@ -10,6 +10,7 @@
 
 - [Report a Bug / Defect][Bug] - for problems with Solus or applications
 - [Request a Package][Package] - for submitting requests to package software
+- [Request a Package Update][Update] - for submitting requests to update packaged software
 - [Report a Security Issue][Security] - for security related issues
 - [Report an issue][Issue] - if you aren't sure what your issue falls under, use this
 - [Packaging documentation][Packaging] - check before submitting patches
@@ -52,7 +53,8 @@ Donations are welcome on our [Open Collective].
 [Report Bugs]: https://help.getsol.us/docs/user/contributing/getting-involved#report-bugs
 [Solus Packages]: https://github.com/solus-packages
 [Issue tracker]: https://github.com/getsolus/packages/issues
-[Bug]: https://github.com/getsolus/packages/issues/new
-[Package]: https://github.com/getsolus/packages/issues/new
+[Bug]: https://github.com/getsolus/packages/issues/new?template=bug.yaml
+[Package]: https://github.com/getsolus/packages/issues/new?template=request-new-package.yaml
+[Update]: https://github.com/getsolus/packages/issues/new?template=request-package-update.yaml
 [Security]: https://github.com/getsolus/packages/issues/new
 [Issue]: https://github.com/getsolus/packages/issues/new