chore: update .gitignore to include Gemfile.lock and Podfile.lock, remove Gemfile.lock

Author: lposen

.gitignore

@@ -43,6 +43,8 @@ android.iml
 # Cocoapods
 #
 example/ios/Pods
+Gemfile.lock
+Podfile.lock
 
 # Ruby
 example/vendor/
@@ -86,4 +88,4 @@ android/generated
 .env
 .xcode.env.local
 coverage/
-docs/
+docs/