Move core and docs to main repo

.gitignore

@@ -2,50 +2,10 @@
 *.class
 *.lock
 *.log
-*.pyc
-*.swp
 .DS_Store
-.atom/
-.buildlog/
-.history
-.svn/
-
-# IntelliJ related
-*.iml
-*.ipr
-*.iws
-.idea/
-
-# Visual Studio Code related
-.classpath
-.project
-.settings/
 .vscode/
 
-# Flutter repo-specific
-/bin/cache/
-/bin/internal/bootstrap.bat
-/bin/internal/bootstrap.sh
-/bin/mingit/
-/dev/benchmarks/mega_gallery/
-/dev/bots/.recipe_deps
-/dev/bots/android_tools/
-/dev/devicelab/ABresults*.json
-/dev/docs/doc/
-/dev/docs/flutter.docs.zip
-/dev/docs/lib/
-/dev/docs/pubspec.yaml
-/dev/integration_tests/**/xcuserdata
-/dev/integration_tests/**/Pods
-/packages/flutter/coverage/
-version
-analysis_benchmark.json
-
-# packages file containing multi-root paths
-.packages.generated
-
-# Flutter/Dart/Pub related
-**/doc/api/
+# Dart related
 .dart_tool/
 .flutter-plugins
 .flutter-plugins-dependencies
@@ -54,10 +14,13 @@ analysis_benchmark.json
 .pub-cache/
 .pub/
 build/
-flutter_*.png
-linked_*.ds
-unlinked.ds
-unlinked_spec.ds
+
+# Rust related
+target/
+*.a
+*.so
+*.dylib
+*.dll
 
 # Android related
 **/android/**/gradle-wrapper.jar
@@ -67,8 +30,6 @@ unlinked_spec.ds
 **/android/gradlew.bat
 **/android/local.properties
 **/android/**/GeneratedPluginRegistrant.java
-**/android/key.properties
-*.jks
 
 # iOS/XCode related
 **/ios/**/*.mode1v3
@@ -102,19 +63,8 @@ unlinked_spec.ds
 
 # macOS
 **/macos/Flutter/GeneratedPluginRegistrant.swift
-
 **/ephemeral
 **/.plugin_symlinks/
 
 # Coverage
 coverage/
-
-# Symbols
-app.*.symbols
-
-*.a
-*.so
-*.dylib
-*.dll
-
-.fvm/