GitHub: update issue templates

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,44 @@
+---
+name: Bug report
+about: Create a report to help improve CombineCloudKit
+title: ":bug: "
+labels: bug
+assignees: chris-araman
+
+---
+
+**Describe the bug**
+A clear and concise description of the problem.
+
+**How to reproduce**
+Steps to follow to reproduce the problem:
+1. Do a thing.
+1. Then do this.
+1. Then this.
+
+Please include sample code that reproduces the problem.
+```swift
+  database
+    .performQuery(ofType: "ToDoItem", where: NSPredicate(true))
+    .sink { records in
+      XCTAssertGreaterThan(records.count, 0)
+    }
+```
+
+**Expected behavior**
+A clear and concise description of what happened that you did not expect to happen.
+> CombineCloudKit does not return any `CKRecord` results. The assertion fails.
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+> I expect to receive at least one `CKRecord` in `sink`.
+
+**Environment**
+ - CombineCloudKit version
+ - Platform version
+ - Swift version
+ - Xcode version
+> CombineCloudKit 0.1.0, macOS Catalyst 11.2, Swift 5.3, Xcode 12.4
+
+**Additional context**
+Any other context about the problem.

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Suggest a new feature or enhancement for CombineCloudKit
+title: ":sparkles:  "
+labels: enhancement
+assignees: chris-araman
+
+---
+
+**Problem statement**
+A clear and concise description of what the problem is.
+> CombineCloudKit doesn't yet support X.
+
+**Proposed solution**
+A clear and concise description of what you want to happen.
+> Implement support for X using Y and Z.
+
+**Alternatives considered**
+A clear and concise description of any alternative solutions you've considered.
+
+**Additional context**
+Add any other context about the feature request here.