Add codespell support (config, workflow to detect/not fix) and make it fix few typos

.pre-commit-config.yaml

@@ -69,6 +69,15 @@ repos:
     hooks:
       - id: flake8
 
+  # Lint: Typos
+  - repo: https://github.com/codespell-project/codespell
+    # Configuration for codespell is in pyproject.toml
+    rev: v2.2.6
+    hooks:
+    - id: codespell
+      additional_dependencies:
+      - tomli
+
 # pre-commit.ci config reference: https://pre-commit.ci/#configuration
 ci:
   autoupdate_schedule: monthly

docs/source/server-process.md

@@ -162,7 +162,7 @@ One of:
 Whether to report activity from the proxy to Jupyter Server. If _True_, Jupyter Server
 will be notified of new activity. This is primarily used by JupyterHub for idle detection and culling.
 
-Useful if you want to have a seperate way of determining activity through a
+Useful if you want to have a separate way of determining activity through a
 proxied application.
 
 Defaults to _True_.

jupyter_server_proxy/handlers.py

@@ -441,7 +441,7 @@ def rewrite_pe(rewritable_response: RewritableResponse):
                         },
                     )
 
-                # Now we can cleanly apply the partially evaulated function to a copy of
+                # Now we can cleanly apply the partially evaluated function to a copy of
                 # the rewritten response.
                 rewritten_response = rewritten_response._apply_to_copy(rewrite_pe)
 

pyproject.toml

@@ -223,3 +223,10 @@ concurrency = [
 
 [tool.coverage.html]
 show_contexts = true
+
+[tool.codespell]
+# Ref: https://github.com/codespell-project/codespell#using-a-config-file
+skip = '.git*,*.svg,*.lock'
+check-hidden = true
+ignore-regex = '\bTE\b'
+# ignore-words-list = ''