Add configuration for running codespell locally

.codespell/exclude-file.txt

@@ -0,0 +1,9 @@
+    of scoped seem allright. I still think there is not enough need
+
+    da de dum, hmm, hmm, dum de dum.
+
+    output=`dmesg | grep hda`
+    p2 = Popen(["grep", "hda"], stdin=p1.stdout, stdout=PIPE)
+
+    Error-de_DE=Wenn ist das Nunstück git und Slotermeyer?
+     Ja! Beiherhund das Oder die Virtualenvironment gersput!

.codespell/ignore-words.txt

@@ -0,0 +1,17 @@
+adaptee
+ans
+arithmetics
+asend
+ba
+clos
+complies
+crate
+extraversion
+fo
+iif
+nd
+ned
+recuse
+reenable
+therefor
+warmup

.codespellrc

@@ -0,0 +1,5 @@
+[codespell]
+skip = ./.git
+ignore-words = .codespell/ignore-words.txt
+exclude-file = .codespell/exclude-file.txt
+uri-ignore-words-list = daa,ist,searchin,theses

.pre-commit-config.yaml

@@ -2,9 +2,9 @@ repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v3.4.0
     hooks:
-    - id: mixed-line-ending
-      name: Normalize mixed line endings
-      args: [--fix=lf]
+      - id: mixed-line-ending
+        name: Normalize mixed line endings
+        args: [--fix=lf]
 
   - repo: https://github.com/pre-commit/pygrep-hooks
     rev: v1.8.0
@@ -17,6 +17,13 @@ repos:
         files: '^pep-\d+\.txt|\.rst$'
         types: [text]
 
+  - repo: https://github.com/codespell-project/codespell
+    rev: v2.1.0
+    hooks:
+      - id: codespell
+        name: Check for common misspellings in text files
+        stages: [manual]
+
   - repo: local
     hooks:
       - id: check-required-fields

Makefile

@@ -55,6 +55,10 @@ lint:
 	pre-commit --version > /dev/null || python3 -m pip install pre-commit
 	pre-commit run --all-files
 
+spellcheck:
+	pre-commit --version > /dev/null || python3 -m pip install pre-commit
+	pre-commit run --all-files --hook-stage manual codespell
+
 # New Sphinx targets:
 
 SPHINX_JOBS=8