feat: Add Be and tbd skill, also added Roadmap file

Skills/@be/node_modules/hls.js/.github/CONTRIBUTING.md

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+# Contributing to hls.js
+
+:+1::tada: First off, thanks for taking the time to contribute! :tada::+1:
+
+#### **Did you find a bug?**
+
+* **Ensure the bug was not already reported** by searching on GitHub under [Issues](https://github.com/video-dev/hls.js/issues).
+
+* If you're unable to find an open issue addressing the problem, [open a new one](https://github.com/video-dev/hls.js/issues/new). Be sure to include a **title and clear description**, as much relevant information as possible, and a **code sample** or an **executable test case** demonstrating the expected behavior that is not occurring.
+
+#### **Did you write a patch that fixes a bug?**
+
+ - First, checkout the repository and install required dependencies
+
+```sh
+git clone https://github.com/video-dev/hls.js.git
+# setup dev environement
+cd hls.js
+npm install
+# build dist/hls.js, watch file change for rebuild and launch demo page
+npm run dev
+# lint
+npm run lint
+# test
+npm run test
+```
+
+ - Use [EditorConfig](http://editorconfig.org/) or at least stay consistent to the file formats defined in the `.editorconfig` file.
+ - Develop in a topic branch, not master
+ - Don't commit the updated `dist/hls.js` file in your PR. We'll take care of generating an updated build right before releasing a new tagged version.
+
+ Thanks! :heart: :heart: :heart:

Skills/@be/node_modules/hls.js/.github/ISSUE_TEMPLATE.md

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+<!-- If you are raising a bug playing a stream, you must fill out the following or your issue may not be responded to. For features or improvements, you may delete this. -->
+##### Environment
+<!-- Replace [ ] with [x] to check off the list -->
+- [ ] The stream has correct Access-Control-Allow-Origin headers (CORS)
+- [ ] There are no network errors such as 404s in the browser console when trying to play the stream
+- [ ] The issue observed is not already reported by searching on Github under https://github.com/video-dev/hls.js/issues
+- [ ] The issue occurs in the latest reference client on http://video-dev.github.io/hls.js/demo and not just on my page
+* Link to playable M3U8 file: 
+* Hls.js version: 
+* Browser name/version: 
+* OS name/version: 
+
+##### Steps to reproduce
+1. Please provide clear steps to reproduce your problem
+2. Whenever possible, share a demo/example page which reproduces the problem you are having with the least amount of code possible.
+2. If the bug is intermittent, give a rough frequency if possible
+
+##### Expected behavior
+What you expected to happen
+
+##### Actual behavior
+What actually happened
+
+##### Console output
+```
+Paste the contents of the browser console here.
+```
+
+```
+For media errors reported on Chrome browser, please also paste the output of chrome://media-internals 
+```

Skills/@be/node_modules/hls.js/.github/PULL_REQUEST_TEMPLATE.md

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+### Description of the Changes
+
+
+### CheckLists
+
+- [ ] changes have been done against master branch, and PR does not conflict
+- [ ] no commits have been done in dist folder (we will take care of updating it)
+- [ ] new unit / functional tests have been added (whenever applicable)
+- [ ] Travis tests are passing (or test results are not worse than on master branch :))
+- [ ] API or design changes are documented in API.md