better handling of ci env flag

Author: radoslawrolka

FabricExample/android/app/build.gradle

@@ -3,7 +3,7 @@ apply plugin: "org.jetbrains.kotlin.android"
 apply plugin: "com.facebook.react"
 
 // Use RNRepo in CI builds
-if (System.getenv("CI") == "true") {
+if (["1", "true"].contains(System.getenv("CI"))) {
   apply plugin: "org.rnrepo.tools.prebuilds-plugin"
 }
 

FabricExample/ios/Podfile

@@ -6,7 +6,7 @@ require Pod::Executable.execute_command('node', ['-p',
   )', __dir__]).strip
 
 # Use RNRepo in CI builds
-if ENV['CI'] == 'true'
+if %w[1 true].include?(ENV['CI'].to_s.downcase)
   require Pod::Executable.execute_command('node', ['-p',
     'require.resolve(
       "@rnrepo/build-tools/cocoapods-plugin/lib/plugin.rb",
@@ -39,7 +39,7 @@ target 'FabricExample' do
   )
 
   post_install do |installer|
-    if ENV['CI'] == 'true'
+    if %w[1 true].include?(ENV['CI'].to_s.downcase)
       rnrepo_post_install(installer)
     end
     react_native_post_install(