changelog, add file.

CHANGELOG.md

@@ -0,0 +1,28 @@
+# Changelog
+
+## 1.0.3
+
+**Minify File Size**
+
+- Shrink the APK a bit better, even though it's already small.
+- Increment `versionCode` so that F-Droid hopefully sees the app updated.
+
+## 1.0.2
+
+**Fix Icon Padding**
+
+- Change icons and ensure they are installed properly for all versions of Android.
+
+## 1.0.1
+
+**Remove BETA From Title**
+
+- Rename the app "Carb Up!" rather than "Carb Up! BETA".
+
+
+##  1.0.0
+
+**Update Android SDK Versions**
+
+- Begin targeting SDK 36, which allows Android 15 devices to install the app without needing a command-line intervention.
+- Modified theme to work for both old and new devices. Now appropriately handles dark vs light themes.