Add github issue templates

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Create a bug report
+---
+
+**NOTE**: *This is template for a bug report, not a request for a new unlock algorithm. If you want
+to request support for new unlock algorithm use another template.
+
+### Please specify your environment
+
+* **OS**: Specify your OS
+* **Browser**: specify your browser here (including version, e.g. Firefox 77, Chrome 83)
+* **website domain**: does bug happens on main website ([bios-pw.org](https:///bios-pw.org/)) or
+  beta version ([beta.bios-pw.org](https://beta.bios-pw.org/))
+* **website version**: specify output for `https://website-domain/version-info.txt`. For example:
+  https://bios-pw.org/version-info.txt
+
+### Expected behavior
+
+### Actual behavior
+
+### Steps to reproduce the issue
+
+- Please be as specific as possible
+
+### Additional information
+
+Attach additional information that could help to reproduce the bug (screenshot, browser console
+logs, etc).

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Suggest an idea for this project
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+For UI requests, don't hesitate to post some draws.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/ISSUE_TEMPLATE/new_laptop.md

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+---
+name: Request new codes
+about: Generated codes didn't worked or there was no codes at all
+title: "[VENDOR]: [MODEL] [algorithm info (e.g. vendor suffix, code size)]"
+labels: code
+---
+
+**NOTE**: *You should select this option if you are going to request support for new unlock
+algorithm or existing one didn't worked for you*.
+
+**IMPORTANT**: before creating a new issue first check if there is any existing one with same model
+or algorithm request, in that case you'd better add information to that particular issue (your
+laptop model, BIOS version, screen photo, etc). 
+
+Please replace `[VENDOR]` in a title with your laptop vendor (e.g. dell, hp, acer) and `[MODEL]`
+with model, also you can specify extra information in `[algorithm info]` if you can, otherwise just
+remove it from a title.
+
+Please specify following information:
+
+### General information
+
+* **Vendor**: specify here your laptop manufacturer (e.g. dell, hp, acer, etc.)
+* **Model**: your laptop model (please be as specific as possible)
+* **Firmware version**: version of your BIOS firmware, it also good if you can specify firmware
+  release date.
+
+### Photo
+
+It also would be helpful if you post a photo of your locked screen (with generated code, `system
+disabled` message) for example like [here][photo-sample]. You can skip this if there are multiple
+images with exact same message.
+
+
+**Don't expect on immediate response**, your issue might help someone other who would face such
+issue in a feature but not necessarily you. I'd suggest you to contact your vendor support, cause
+this should be much faster channel.
+
+[photo-sample]: https://github.com/bacher09/pwgen-for-bios/issues/108#issue-638364581