Bump node-sass from 4.11.0 to 4.13.1 in /particle-counter

particle-counter/.gitignore

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+.idea/
+*.iml
+*.iws
+*.eml
+out/
+.DS_Store
+.svn
+log/*.log
+tmp/**
+node_modules/
+.sass-cache
+css/reveal.min.css
+js/reveal.min.js
+
+.vs
+local.py
+local.sh
+
+*build*

particle-counter/.gitlab-ci.yml

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+image: debian:buster
+
+devops:
+  only:
+    refs:
+      - master
+      - develop
+
+  before_script:
+    - apt-get update -y
+    - apt-get install -y sshpass openssh-client
+    - mkdir -p ~/.ssh
+    - chmod 700 ~/.ssh
+    - echo -e "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config
+    - echo -e "Host ToliakRuVM\n\tHostname 127.0.0.1\n\tUser root" >> ~/.ssh/config
+    - echo -e "\tIdentityFile ~/.ssh/ToliakRuVM\n\tIdentitiesOnly no\n\n" >> ~/.ssh/config
+
+  script:
+    - if [ ${CI_COMMIT_REF_SLUG} = develop ]; then SUB_SCRIPT="_dev"; fi
+    - echo $SUB_SCRIPT
+    - sshpass -p $CI_PASSWORD_VISITOR scp visitor@skeak.toliak.ru:~/.ssh/ToliakRuVM ~/.ssh/ToliakRuVM
+    - sshpass -p $CI_PASSWORD_VISITOR ssh -L 127.0.0.1:8022:ToliakRuVM:22 visitor@skeak.toliak.ru -f 'sleep 1000'
+    - ssh -p 8022 ToliakRuVM ./update_course_project_presentation$SUB_SCRIPT.sh ${CI_COMMIT_REF_SLUG}

particle-counter/CONTRIBUTING.md

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+## Contributing
+
+Please keep the [issue tracker](http://github.com/hakimel/reveal.js/issues) limited to **bug reports**, **feature requests** and **pull requests**.
+
+
+### Personal Support
+If you have personal support or setup questions the best place to ask those are [StackOverflow](http://stackoverflow.com/questions/tagged/reveal.js).
+
+
+### Bug Reports
+When reporting a bug make sure to include information about which browser and operating system you are on as well as the necessary steps to reproduce the issue. If possible please include a link to a sample presentation where the bug can be tested.
+
+
+### Pull Requests
+- Should follow the coding style of the file you work in, most importantly:
+  - Tabs to indent
+  - Single-quoted strings
+- Should be made towards the **dev branch**
+- Should be submitted from a feature/topic branch (not your master)
+
+
+### Plugins
+Please do not submit plugins as pull requests. They should be maintained in their own separate repository. More information here: https://github.com/hakimel/reveal.js/wiki/Plugin-Guidelines

particle-counter/LICENSE

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+Copyright (C) 2019 Hakim El Hattab, http://hakim.se, and reveal.js contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.