Chore/prepare alpha 9 release (#3320)

* chore: add missing PR in changeLog

* chore: add a link to previous documentation

* fix: add prepare open to build the package prior to release

* fix: do not include doc in generated package

* chore: include lib in package

* chore: fix tsc call which tries to parse docs folder


---------

Co-authored-by: olivier <olivier.bouillet@ifeelsmart.com>

package.json

@@ -38,6 +38,7 @@
     "scripts": {
         "lint": "yarn eslint .",
         "build": "yarn tsc",
+        "prepare": "yarn build",
         "xbasic": "yarn --cwd examples/basic",
         "docs": "yarn --cwd docs build",
         "test": "echo no test available"
@@ -47,8 +48,8 @@
         "ios",
         "windows",
         "src",
+        "lib",
         "react-native-video.podspec",
-        "docs",
         "!android/build",
         "!android/buildOutput_*",
         "!android/local.properties",