add generated sample

Author: jaypea

samples/client/petstore/javascript-flowtyped/.flowconfig

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+[ignore]
+
+[include]
+
+[libs]
+
+[lints]
+
+[options]
+
+[strict]

samples/client/petstore/javascript-flowtyped/.gitignore

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+node_modules

samples/client/petstore/javascript-flowtyped/.swagger-codegen-ignore

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+# Swagger Codegen Ignore
+# Generated by swagger-codegen https://github.com/swagger-api/swagger-codegen
+
+# Use this file to prevent files from being overwritten by the generator.
+# The patterns follow closely to .gitignore or .dockerignore.
+
+# As an example, the C# client generator defines ApiClient.cs.
+# You can make changes and tell Swagger Codgen to ignore just this file by uncommenting the following line:
+#ApiClient.cs
+
+# You can match any string of characters against a directory, file or extension with a single asterisk (*):
+#foo/*/qux
+# The above matches foo/bar/qux and foo/baz/qux, but not foo/bar/baz/qux
+
+# You can recursively match patterns against a directory, file or extension with a double asterisk (**):
+#foo/**/qux
+# This matches foo/bar/qux, foo/baz/qux, and foo/bar/baz/qux
+
+# You can also negate patterns with an exclamation (!).
+# For example, you can ignore all files in a docs folder with the file extension .md:
+#docs/*.md
+# Then explicitly reverse the ignore rule for a single file:
+#!docs/README.md

samples/client/petstore/javascript-flowtyped/.swagger-codegen/VERSION

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+2.4.0-SNAPSHOT

samples/client/petstore/javascript-flowtyped/README.md

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+## [email protected]
+
+This generator creates Flow typed JavaScript client that utilizes [Fetch API](https://fetch.spec.whatwg.org/). The generated Node module can be used in the following environments:
+
+Environment
+* Node.js
+* Webpack
+* Browserify
+
+Language level
+* ES6
+
+Module system
+* ES6 module system
+
+### Building
+
+To build an compile the typescript sources to javascript use:
+```
+npm install
+```
+
+### Publishing
+
+First build the package then run ```npm publish```
+
+### Consuming
+
+navigate to the folder of your consuming project and run one of the following commands.
+
+_published:_
+
+```
+npm install [email protected] --save
+```
+
+_unPublished (not recommended):_
+
+```
+npm install PATH_TO_GENERATED_PACKAGE --save