Bump version to 0.2.1 and update build requirements

*   Increment `versionCode` to 4 and `versionName` to 0.2.1 in `app/build.gradle.kts`.
*   Add changelog for version 4 detailing web interface improvements (Alpine JS/Tailwind CSS, dark mode, instant file updates) and enhanced error handling.
*   Update `README.md` with new build steps requiring `npm` and recursive repository cloning.

Author: defname

README.md

@@ -79,17 +79,15 @@ Avoid using it on public or untrusted networks, especially for sensitive data.
 
 -   Android SDK / Android Studio
 -   Python 3 (used by a small build script)
+-   npm (needed for Tailwind CSS)
 
 ### Steps
 
-1.  Clone the repository
-2.  Open it in Android Studio
-3.  Make sure Python 3 is available in your system PATH
-4.  Build and run
-
-> [!NOTE]
-> The Papirus icon set is not included in the repo.
-> It will be downloaded and processed automatically during the build.
+1.  Clone the repository (recursively to include the icon theme!)
+2.  run `cd web-build && npm install`
+3.  Open it in Android Studio
+4.  Make sure Python 3 is available in your system PATH
+5.  Build and run
 
 ## License & Credits
 

app/build.gradle.kts

@@ -12,8 +12,8 @@ android {
         applicationId = "com.defname.localshare"
         minSdk = 26
         targetSdk = 36
-        versionCode = 3
-        versionName = "0.2.0"
+        versionCode = 4
+        versionName = "0.2.1"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     }

fastlane/metadata/android/en-US/changelogs/4.txt

@@ -0,0 +1,5 @@
+- improved web interface (using Alpine JS and Tailwind CSS)
+  - light/dark mode
+  - added files appear instantly in the web interface
+- improved error handling
+- better tracking of active connections