Update contributing and pr template

- Add https://n8225.github.io/ to contributing
- Add guidelines for proprietary dependencies and propietary software to PR template

.github/CONTRIBUTING.md

@@ -9,6 +9,7 @@ Other recommendations:
 - To add a new entry, [edit the README.md file](https://github.com/Kickball/awesome-selfhosted/edit/master/README.md) through Github's web interface or a text editor, and send a Pull Request.
 - See [Editing files in another user's repository](https://help.github.com/articles/editing-files-in-another-user-s-repository/), [Creating Pull Requests](https://help.github.com/articles/creating-a-pull-request/), [Using Pull Requests](https://help.github.com/articles/using-pull-requests/) for help on sending your patch.
 - A script to help you format new entries is available at (it requires `make` to be installed): `git clone`/[download](https://github.com/Kickball/awesome-selfhosted/archive/master.zip) and enter the repository, run `make add` and follow the instructions.
+- A website to help you format new entries is available at https://n8225.github.io/
 - The list of contributors can be updated with `make contrib`. 
 - Software with no development activity for 6-12 months may be removed from the list.
 

.github/PULL_REQUEST_TEMPLATE.md

@@ -2,10 +2,13 @@ Thank you for taking the time to work on a PR for Awesome-Selfhosted!
 
 To ensure your PR is dealt with swiftly please check the following:
 
-- [ ] Your submissions are formatted according to the guidelines. 
+- [ ] Your submissions are formatted according to the following requirements. 
         
     ``- [Name](http://homepage/) - Short description, less than 250 characters. ([Demo](http://url.to/demo), [Source Code](http://url.of/source/code), [Clients](https://url.to/list/of/related/clients-or-apps)) `License` `Language` ``
-
+	With proprietary dependencies:
+	``- [Name](http://homepage/) `⚠` - Short description, less than 250 characters. ([Demo](http://url.to/demo), [Source Code](http://url.of/source/code), [Clients](https://url.to/list/of/related/clients-or-apps)) `License` `Language` ``
+	non-free software in non-free.md
+	``- [Name](http://homepage/) `⊘ Proprietary` - Short description, less than 250 characters. ([Demo](http://url.to/demo), [Source Code](http://url.of/source/code), [Clients](https://url.to/list/of/related/clients-or-apps)) `Language` ``
 - [ ] Your additions are ordered alphabetically.
 - [ ] Your additions are [Free software](https://en.wikipedia.org/wiki/Free_software), or if not they have been added to [non-free](non-free.md) and marked `⊘ Proprietary`.
 - [ ] Your additions are not already listed at [awesome-sysadmin](https://github.com/n1trux/awesome-sysadmin) (IT infrastructure management), [staticgen.com](https://www.staticgen.com/) or [staticsitegenerators.net](https://staticsitegenerators.net/) (static site generators).