update ci

Author: fulldecent

.github/workflows/ci.yml

@@ -0,0 +1,44 @@
+name: ci
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+concurrency:
+  group: ci-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    runs-on: macos-latest
+
+    steps:
+      - name: check out repository
+        uses: actions/checkout@v4
+
+      - name: select iOS simulator
+        id: simulator
+        shell: bash
+        run: |
+          set -euo pipefail
+
+          destination_id="$({
+            xcodebuild -showdestinations -scheme FDWaveformView 2>/dev/null |
+            grep 'platform:iOS Simulator' |
+            grep 'name:iPhone' |
+            head -n 1 |
+            sed -E 's/.*id:([^,}]+).*/\1/'
+          })"
+
+          if [[ -z "$destination_id" ]]; then
+            echo "No iOS simulator destination found for scheme FDWaveformView" >&2
+            exit 1
+          fi
+
+          echo "destination=id=$destination_id" >> "$GITHUB_OUTPUT"
+
+      - name: build and test
+        run: xcodebuild test -scheme FDWaveformView -destination "${{
+          steps.simulator.outputs.destination }}"

README.md

@@ -1,7 +1,11 @@
 # FDWaveformView
 
+[![ci](https://github.com/fulldecent/FDWaveformView/actions/workflows/ci.yml/badge.svg)](https://github.com/fulldecent/FDWaveformView/actions/workflows/ci.yml)
+
 FDWaveformView displays audio waveforms in Swift apps so users can preview audio, scrub, and pick positions with ease.
 
+**:hatching_chick: Virtual tip jar: <https://amazon.com/hz/wishlist/ls/EE78A23EEGQB>**
+
 ## Usage
 
 Add an `FDWaveformView` programmatically, then load audio. If your file is missing an extension, see the [Stack Overflow answer on AVURLAsset without extensions](https://stackoverflow.com/questions/9290972/is-it-possible-to-make-avurlasset-work-without-a-file-extension).
@@ -65,8 +69,8 @@ UIView.animate(withDuration: 0.3) {
 
 - Antialiased waveforms draw extra pixels to avoid jagged edges.
 - Autolayout-driven size changes trigger re-rendering to prevent pixelation.
-- Supports iOS 15+ and visionOS 1.0+.
-- Includes unit tests running on GitHub Actions.
+- Supports iOS 12+ and Swift 5.
+- Includes unit tests that run on GitHub Actions.
 
 ## Installation