Move car-ui-lib .gitignore to top level

So that the other projects in this repo can benefit from it.

Fixes: 194537750
Test: Manually
Change-Id: I7ec3d82f671edbbbd96c57a2117438ea54cc4dd2
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..bdfa81c
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,22 @@
+# Local configuration
+local.properties
+gradle-wrapper.properties
+
+# Gradle
+.gradle/
+build/
+gradle-app.setting
+.gradletasknamecache
+
+# IntelliJ
+.idea/
+*.iml
+
+# Python
+*.pyc
+
+# Android studio's layout inspector captures
+captures/
+
+# A file created when launching android emulators
+read-snapshot.txt