Fixup workflows and add badges (#64)

Author: blink1073

.github/workflows/test.yml

@@ -44,7 +44,7 @@ jobs:
           hatch run cov:test --cov-fail-under 75 || hatch run test:test --lf
       - name: Coverage
         run: |
-          pip install codecov
+          pip install codecov coverage[toml]
           codecov
 
   test_docs:
@@ -63,13 +63,9 @@ jobs:
       - uses: actions/checkout@v3
       - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
         with:
-          python_version: "3.8"
-      - uses: jupyterlab/maintainer-tools/.github/actions/install-minimums@v1
-        with:
-          only_create_file: 1
+          dependency_type: minimum
       - name: Run the unit tests
         run: |
-          export PIP_CONSTRAINT="./contraints_file.txt"
           hatch run test:nowarn || hatch run test:nowarn --lf
 
   test_prereleases:
@@ -80,10 +76,9 @@ jobs:
       - uses: actions/checkout@v3
       - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
         with:
-          python_version: "3.11"
+          dependency_type: pre
       - name: Run the tests
         run: |
-          export PIP_PRE=1
           hatch run test:nowarn || hatch run test:nowarn --lf
 
   make_sdist:

README.md

@@ -1,6 +1,8 @@
 # Jupyter Server Terminals
 
 [![Build Status](https://github.com/jupyter-server/jupyter_server_terminals/actions/workflows/test.yml/badge.svg?query=branch%3Amain++)](https://github.com/jupyter-server/jupyter_server_terminals/actions?query=branch%3Amain++)
+[![codecov](https://codecov.io/gh/jupyter-server/jupyter_server_terminals/branch/main/graph/badge.svg?token=6OPBSEMMUG)](https://codecov.io/gh/jupyter-server/jupyter_server_terminals)
+[![Documentation Status](https://readthedocs.org/projects/jupyter-server-terminals/badge/?version=latest)](http://jupyter-server-terminals.readthedocs.io/en/latest/?badge=latest)
 
 Jupyter Server Terminals is a Jupyter Server Extension providing support for terminals.