Add DocPHT

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:

- [x] 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` ``

Depends on proprietary services:

``- [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` ``


- [x] Your additions are ordered alphabetically.
- [x] 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`.
- [x] If your additions depend on proprietary services outside the user's control, they must be marked `⚠`.
- [x] 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).
- [x] Your additions have their `License` main server-side `Language`/platform/requirement listed.
- [x] Any licenses you have added are in our [list of licenses](https://github.com/Kickball/awesome-selfhosted/blob/master/README.md#list-of-licenses).
- [x] You have searched the repository for any relevant [issues](https://github.com/Kickball/awesome-selfhosted/issues) or [PRs](https://github.com/Kickball/awesome-selfhosted/pulls), including closed ones.
- [x] If the main link of your addition points to the program's source code, there is no need to add a duplicate _Source Code_ link. The _Demo_ and _Clients_ links are not mandatory.
- [x] Any category you are creating has the minimum requirement of 3 items. If not, your addition may be inserted into `Misc/Other`.
- [x] Any software project you are adding to the list is actively maintained.

README.md

@@ -984,6 +984,7 @@ See https://github.com/n1trux/awesome-sysadmin#monitoring and https://github.com
 - [Boostnote](https://boostnote.io/) - The note-taking app for programmers that focuses on markdown, snippets, and customizability. ([Source Code](https://github.com/BoostIO/Boostnote)) `GPL-3.0` `JavaScript`
 - [CodiMD](https://demo.codimd.org/) - Realtime collaborative markdown notes on all platforms, formerly HackMD CE. ([Source Code](https://github.com/hackmdio/codimd)) `AGPL-3.0` `Node.js`
 - [dillinger](http://dillinger.io/) - The last Markdown editor, ever. ([Source Code](https://github.com/joemccann/dillinger)) `MIT` `Nodejs`
+- [DocPHT](https://docpht.org/) - With DocPHT you can take notes and quickly document anything and without the use of any database. [Demo](https://demo.docpht.org/), [Source Code](https://github.com/kenlog/docpht)`MIT` `PHP`
 - [draw.io](https://draw.io) - Diagram software for making flowcharts, process diagrams, org charts, UML, ER and network diagrams. ([Source Code](https://github.com/jgraph/drawio)) `Apache-2.0` `JavaScript`
 - [Joplin](https://joplin.cozic.net/) - Joplin is a note taking application with Markdown editor and encryption support for mobile and desktop platforms. Runs client-side and syncs through self hosted Nextcloud or similar. Consider it like open source alternative to Evernote. ([Source Code](https://github.com/laurent22/joplin)) `MIT` `Nodejs`
 - [Leanote](http://leanote.org/) - Leanote, Not Just A Notepad! Open source cloud notepad. ([Demo](https://leanote.com/note), [Source Code](https://github.com/leanote/leanote)) `GPL-2.0` `Go`