enable remote debugger

when:
  * phone is connected to a remote computer by `adb`
    - either:
      * physically with a USB cable
      * wirelessly over a LAN
user can:
  * inspect contents of WebView in DevTools with Chrome desktop at:
      chrome://inspect/#devices

quick refresher:
* # enable USB debugging
* # connect by USB
  adb devices
  adb tcpip 5555
  # disconnect USB
* # connect by WiFi from any computer:
  adb connect 192.168.1.x:5555
  adb devices

android-studio-project/WebMonkey/src/main/java/com/github/warren_bank/webmonkey/BrowserActivity.java

@@ -17,6 +17,9 @@ public void onCreate(Bundle savedInstanceState) {
 
     super.onCreate(savedInstanceState);
 
+    if (Build.VERSION.SDK_INT >= 19)
+      WebViewGm.setWebContentsDebuggingEnabled(true);
+
     WebViewGm webViewGm = scriptBrowser.getWebView();
     String secret = webViewGm.getWebViewClient().getSecret();
 

android-studio-project/constants.gradle

@@ -1,6 +1,6 @@
 project.ext {
-    releaseVersionCode  = Integer.parseInt("001000208", 10)
-    releaseVersion      = '001.00.02-08API'
+    releaseVersionCode  = Integer.parseInt("001000308", 10)
+    releaseVersion      = '001.00.03-08API'
     javaVersion         = JavaVersion.VERSION_1_8
     minSdkVersion       = 8
     targetSdkVersion    = 28