Update issue templates

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Report a crash or something that isn't working as it should
+title: "[Give a brief, relevant title here]"
+labels: bug
+assignees: ''
+
+---
+
+Please read the [guide for contributing](https://github.com/Electroblob77/Wizardry/blob/1.12.2/guide_for_contributing.md) before posting.
+
+Minecraft version: 1.12.2 [change as necessary]  
+Wizardry version: 4.1.4 [change as necessary]
+Environment: Singleplayer/LAN game/Server [delete as necessary]
+
+Issue details: [describe what you were doing when the issue occurred, what went wrong, what you expected to happen, etc.]
+
+Other mods involved: [only list mods that are relevant to the problem]
+
+Link to crash report (if applicable): [give a link to the crash report on gist, pastebin, etc.]

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Make a suggestion for improving the mod
+title: "[Give a brief, relevant title here]"
+labels: enhancement
+assignees: ''
+
+---
+
+Please read the [guide for contributing](https://github.com/Electroblob77/Wizardry/blob/1.12.2/guide_for_contributing.md) before posting.
+
+Minecraft versions: [if this suggestion only applies to some versions, list them here]
+
+Suggestion details: [describe what you would like to see added to the mod and why]
+
+Other mods involved: [if this suggestion involves integration with other mods, list them here]