Register mda-tui as an MDAKit (#66)

* Add mda-tui MDAKit

* clone the kit repo before installing and running tests

* remove '/' from end of project_name

mdakits/MDAnalysis-tui/metadata.yaml

@@ -0,0 +1,52 @@
+# Required entries
+## str: name of the project (the respository name)
+project_name: mda-tui
+## List(str): a list of authors (or a link to the authors file)
+authors:
+  - https://github.com/p-j-smith/mda-tui/blob/main/AUTHORS.md
+## List(str): a list of maintainers
+maintainers:
+  - p-j-smith
+## str: a free form description of the mdakit
+description:
+    Trajectory transformations in your terminal
+## List(str): a list of keywords which describe the mdakit
+keywords:
+  - transformations
+  - TUI
+## str: the license the mdakit falls under
+license: GPL-2.0-or-later
+## str: the link to the project's code
+project_home: https://github.com/p-j-smith/mda-tui
+## str: the link to the project's documentation
+documentation_home: https://p-j-smith.github.io/mda-tui/
+## str: the type of documentation available [UserGuide, API, README]
+documentation_type: README + UserGuide
+
+# Optional entries
+## List(str): a list of commands to use when installing the latest
+## release of the code. Note: only one installation method can currently
+## be defined. We suggest using conda/mamba where possible.
+install:
+  - pip install mda-tui
+## List(str): a list of commands to use when installing the mdakit from its
+## source code.
+src_install:
+  - pip install git+https://github.com/p-j-smith/mda-tui@main
+## str: the package name used to import the mdakit
+import_name: mda_tui
+## str: a specification for the range of Python versions supported by this MDAKit
+python_requires: ">=3.10"
+## str: a specification for the range of MDAnalysis versions supported by this MDAKit
+mdanalysis_requires: ">=2.0.0"
+## List(str): a list of commands to use when attempting to run the MDAKit's tests
+run_tests:
+  - git clone latest
+  - python -m pip install ".[test]"
+  - pytest -v ./tests
+## str: the development status of the MDAKit
+development_status: Alpha
+## str: a link to the MDAKit's community (mailing list, github discussions, etc...)
+community_home: "https://github.com/p-j-smith/mda-tui/discussions"
+## str: a link to the MDAKit's changelog
+changelog: "https://github.com/p-j-smith/mda-tui/blob/main/CHANGELOG.md"