chore: rework examples (#4225)

* remove unused examples

* init bare example with test app

* add react-native-video

* add test app suport in expo plugin

* expo plugin: skip keys that are already in pod file

* fix podfile

* add src files

* fix metro config

* finalize react native test app configuration

* init expo example

* remove old examples

* add guide for example

* Add link to examples apps in docs

* adopt bare example to CI tests

* update CI workflows

* CI build lib after node_modules install

* fix examples readme

* fix iOS CI

* Add Example for DRM

* Update examples/README.md

* fix links

* update examples README

* sync example code

* update README

examples/bare/windows/.gitignore

@@ -0,0 +1,33 @@
+.vs/
+
+# User-specific files
+*.suo
+*.user
+*.sln.docstates
+
+# Build results
+ARM64/
+AppPackages/
+[Bb]in/
+[Dd]ebug/
+[Dd]ebugPublic/
+[Oo]bj/
+[Rr]elease/
+[Rr]eleases/
+bld/
+build/
+x64/
+x86/
+
+# NuGet Packages Directory
+packages/
+
+**/Generated Files/**
+*.binlog
+*.hprof
+*.sln
+ExperimentalFeatures.props
+NuGet.Config
+dist/
+msbuild.binlog
+node_modules/