Add issue forms to prevent unhelpful issues consuming contributor tim…

…e. (#148)

chore: update issue templates

* Disable blank issues
* Rework bug report template to new forms template and improve its content
* Add new feature request template

.github/ISSUE_TEMPLATE/bug_report.yml

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+name: Bug Report
+description: Report a Flagrum bug.
+title: '[Bug]: '
+labels: ["bug"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Do **not** report issues with individual mods. Direct those to the author of the mod.
+
+        Please fill this form out in its entirety and with as much detail as possible. We cannot help you without the necessary information to do so.
+  - type: dropdown
+    id: operating-system
+    attributes:
+      label: Operating System
+      description: What operating system are you running Flagrum on?
+      options:
+        - Windows 10 64-Bit
+        - Windows 11 64-Bit
+        - Other
+    validations:
+      required: true
+  - type: dropdown
+    id: game-version
+    attributes:
+      label: Game Version
+      description: Which version of the game are you applying your mods to?
+      options:
+        - Latest Steam Release
+        - Other Game Store (please specify in "Additional context")
+        - Debug Executable
+        - Avatara Executable
+        - Other (please specify in "Additional context")
+    validations:
+      required: true
+  - type: input
+    id: version
+    attributes:
+      label: Version
+      description: What version of Flagrum are you running? (You can find this in the bottom-left corner of the Flagrum window).
+      placeholder: e.g. 1.5.0
+    validations:
+      required: true
+  - type: textarea
+    id: bug
+    attributes:
+      label: Description of the bug
+      description: Explain in as much detail as possible what went wrong, and what you expected to happen instead.
+    validations:
+      required: true
+  - type: textarea
+    id: reproduction-steps
+    attributes:
+      label: Steps to reproduce the bug
+      description: A numbered list of the steps to take to trigger the bug.
+      placeholder: |
+        1. Go to ...
+        2. Click on ...
+        3. See error
+    validations:
+      required: true
+  - type: textarea
+    id: crash-logs
+    attributes:
+      label: Crash logs
+      description: |
+        If Flagrum crashed, please attach **all** crash logs in the `%LOCALAPPDATA%\Flagrum\crashes` folder with the timestamp matching the date/time of the crash.
+
+        You can attach log files by clicking this area to highlight it and then drag the files and drop them on it.
+    validations:
+      required: false
+  - type: textarea
+    id: screenshots
+    attributes:
+      label: Screenshots
+      description: |
+        If applicable, add screenshots to help explain your problem.
+
+        You can attach images by clicking this area to highlight it and then drag the files and drop them on it.
+    validations:
+      required: false
+  - type: textarea
+    id: context
+    attributes:
+      label: Additional context
+      description: Add any other information or context here that may help with figuring out what went wrong.
+    validations:
+      required: false
+  - type: checkboxes
+    id: terms
+    attributes:
+      label: Code of Conduct
+      description: |
+        By submitting this issue, you agree that you have done your due diligence before asking for someone to give up their free time to help you.
+
+        **Failure to comply with these terms may result in a ban from this repository.**
+      options:
+        - label: I confirm that I have ensured this bug hasn't already been reported in another issue on this repository.
+          required: true
+        - label: I confirm that this bug report is pertaining to Flagrum, not an individual mod, the game itself, or an issue with my system or files.
+          required: true
+        - label: I confirm that I am using a legitimate copy of the game.
+          required: true
+        - label: I confirm that I installed Flagrum with a clean installation of the game, and have not used any tools other than Flagrum to mod my game files.
+          required: true
+        - label: If my issue relates to the game itself crashing or exhibiting unexpected behaviour, I confirm that I have tried running a clean unmodded installation of the game to see if this resolves my issue before filing a bug report.
+          required: true

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1 @@
+blank_issues_enabled: false

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,29 @@
+name: Feature Request
+description: Request a new Flagrum feature or a change to an existing feature.
+title: " "
+labels: ["enhancement"]
+body:
+  - type: textarea
+    id: request
+    attributes:
+      label: Feature Request
+      description: What would you like to see added or changed?
+    validations:
+      required: true
+  - type: textarea
+    id: value
+    attributes:
+      label: Proposed Value
+      description: What value does your proposed feature offer to the users of Flagrum?
+    validations:
+      required: true
+  - type: checkboxes
+    id: terms
+    attributes:
+      label: Code of Conduct
+      description: By submitting this issue, you agree to the following.
+      options:
+        - label: I confirm that I have ensured this feature hasn't already been suggested in another issue.
+          required: true
+        - label: I confirm that I believe this suggestion would benefit many users of Flagrum, not just myself.
+          required: true