build: update project configuration and documentation

- Add comment clarifying version code usage for mobile platforms
- Clean up formatting and comments in root build script
- Remove redundant emojis and instructional text from plugin declarations

Author: Coding-Meet

build.gradle.kts

@@ -1,11 +1,9 @@
 plugins {
-    // 🚫 Apply plugins without configuring them (they will be configured in subprojects)
-
-    // 🔧 Kotlin plugins - For multiplatform and serialization
+    //  Kotlin plugins - For multiplatform and serialization
     alias(libs.plugins.kotlinMultiplatform) apply false  // Kotlin Multiplatform plugin
     alias(libs.plugins.kotlinSerialization) apply false  // Kotlinx Serialization plugin
 
-    // 🎨 Compose plugins - For UI framework
+    //  Compose plugins - For UI framework
     alias(libs.plugins.composeMultiplatform) apply false // Compose Multiplatform plugin
     alias(libs.plugins.composeCompiler) apply false      // Compose Compiler plugin
     alias(libs.plugins.composeHotReload) apply false     // Hot reload for development

versioning.gradle.kts

@@ -14,6 +14,7 @@ fun getCurrentTimestamp(): String {
     return sdf.format(Date())
 }
 
+// this is for android app. desktop app not need
 fun appVersionCode(): Int {
     val ciBuildNumber = System.getenv("GITHUB_RUN_NUMBER")
     return if (ciBuildNumber != null) {