Added .gitignore and updated to include the USB connection and stream on certainty of word/phrase results....

app/.gitignore

@@ -0,0 +1,52 @@
+# Built application files
+*.apk
+*.ap_
+*.aab
+
+# Files for the ART/Dalvik VM
+*.dex
+
+# Java class files
+*.class
+
+# Generated files
+bin/
+gen/
+out/
+
+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (contains personal SDK path)
+local.properties
+
+# Proguard folder generated by Eclipse
+proguard/
+
+# Log Files
+*.log
+
+# Android Studio Navigation Editor temp files
+.navigation/
+
+# Captures
+captures/
+
+# IntelliJ / Android Studio project files
+*.iml
+.idea/workspace.xml
+.idea/tasks.xml
+.idea/gradle.xml
+.idea/assetWizardSettings.xml
+.idea/dictionaries
+.idea/libraries
+
+# Keystore files (NEVER commit these!)
+*.jks
+*.keystore
+*.pem
+
+# OS-specific files
+.DS_Store
+Thumbs.db