Fix web build/run instructions. More nits

Author: felipecsl

README.md

@@ -32,7 +32,7 @@ If you'd rather use Gradle, run:
 
 To build/run the Javascript version of the emulator, run:
 ```
-./gradlew web:run
+./gradlew web:bundle web:run
 ```
 
 Then, open `http://localhost:8088` on your browser.

lib/src/commonMain/kotlin/com/felipecsl/knes/INESFileParser.kt

@@ -32,9 +32,7 @@ internal class INESFileParser {
       val battery = (control1 shr 1).and(1)
       // read prg-rom bank(s)
       val prg = ByteArray(inesFileHeader.numPRG.toInt() * 16384)
-      if (stream.read(prg) != prg.size) {
-        throw IllegalStateException("Could not load ${prg.size} bytes from the input")
-      }
+      check(stream.read(prg) == prg.size) { "Could not load ${prg.size} bytes from the input" }
       // read chr-rom bank(s)
       val numCHR = inesFileHeader.numCHR.toInt()
       var chr = ByteArray(numCHR * 8192)

web/src/jsMain/kotlin/com/felipecsl/knes/Main.kt

@@ -8,7 +8,7 @@ import react.router.dom.switch
 import kotlin.browser.document
 import kotlin.browser.window
 
-fun main(args: Array<String>) {
+fun main(@Suppress("UnusedMainParameter") args: Array<String>) {
   window.onload = {
     render(document.getElementById("root")!!) {
       hashRouter {