fix incorrect filenames in software/

- filenames must be the kebab-case version of the name: attribute in each file
```
ERROR:awesome_lint.py: apache.yml: file should be named apache-http-server.yml
ERROR:awesome_lint.py: not-three.yml: file should be named not-th.re.yml
ERROR:awesome_lint.py: bifroest.yml: file should be named engity's-bifröst.yml
ERROR:awesome_lint.py: whattocook.yaml: file should be named what-to-cook?.yml
ERROR:awesome_lint.py: scribblers.yml: file should be named scribble.rs.yml
ERROR:awesome_lint.py: plexripper: file should be named plexripper.yml
ERROR:awesome_lint.py: clustercontrol.yml: file should be named cluster-control.yml
```
- ref. https://github.com/awesome-selfhosted/awesome-selfhosted-data/pull/1031

software/bifroest.yml

@@ -1,11 +0,0 @@
-name: Engity's Bifröst
-website_url: https://bifroest.engity.org/
-description: Highly customizable SSH server with several ways to authorize a user and options where and how to execute a user's session.
-licenses:
-  - Apache-2.0
-platforms:
-  - Go
-  - Docker
-tags:
-  - Remote Access
-source_code_url: https://github.com/engity-com/bifroest

software/not-three.yml

@@ -1,12 +0,0 @@
-name: "not-th.re"
-website_url: "https://not-th.re"
-source_code_url: "https://github.com/not-three/main"
-description: "Simple paste sharing platform, with client side encryption, featuring the monaco browser-based code editor."
-licenses:
-  - NPOSL-3.0
-platforms:
-  - Nodejs
-  - Docker
-tags:
-  - Pastebins
-demo_url: "https://not-th.re"

software/plexripper

@@ -1,11 +0,0 @@
-name: "PlexRipper"
-website_url: "https://www.plexripper.rocks/"
-source_code_url: "https://github.com/PlexRipper/PlexRipper"
-description: "A cross-platform Plex media downloader that seamlessly adds media from other Plex servers to your own."
-licenses:
-  - GPL-3.0
-platforms:
-  - Docker
-tags:
-  - Automation
-depends_3rdparty: true

software/scribblers.yml

@@ -1,12 +0,0 @@
-name: "Scribble.rs"
-website_url: "https://github.com/scribble-rs/scribble.rs"
-source_code_url: "https://github.com/scribble-rs/scribble.rs"
-description: "A web-based pictionary game."
-licenses:
-  - BSD-3-Clause
-platforms:
-  - Go
-  - Docker
-tags:
-  - Games
-demo_url: "https://scribblers.fly.dev"

software/whattocook.yaml

@@ -1,10 +0,0 @@
-name: What To Cook?
-website_url: https://github.com/kassner/whattocook
-description: Get a recipe to cook today, based on the ingredients you have at home.
-licenses:
-  - AGPL-3.0
-platforms:
-  - Docker
-tags:
-  - Recipe Management
-source_code_url: https://github.com/kassner/whattocook