add codespell action

.codespell-ignore-words

@@ -0,0 +1,15 @@
+blocs
+bloc
+inout
+als
+truns
+pres
+dum
+fom
+fromm
+thi
+nd
+ue
+bion
+aas
+checkin

.codespellrc

@@ -0,0 +1,5 @@
+[codespell]
+skip = .git,*.ipynb,*.bib,*.ps,*.js,*.pdf
+ignore-words = .codespell-ignore-words
+
+

.github/workflows/codespell.yml

@@ -0,0 +1,33 @@
+name: codespell
+
+on:
+  push:
+    branches:
+      - development
+      - main
+  pull_request:
+    branches:
+      - development
+
+jobs:
+  codespell:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.10'
+          cache: "pip"
+
+      - name: Install dependencies
+        run: pip install -r ./requirements.txt
+
+      - name: Run codespell
+        run: |
+          codespell
+

pyro/swe/unsplit_fluxes.py

@@ -282,7 +282,7 @@ def unsplit_fluxes(my_data, rp, ivars, solid, tc, dt):
 
     """
     finally, we can construct the state perpendicular to the interface
-    by adding the central difference part to the trasverse flux
+    by adding the central difference part to the transverse flux
     difference.
 
     The states that we represent by indices i,j are shown below

requirements.txt

@@ -15,3 +15,4 @@ sphinx-copybutton
 sphinx-prompt
 importlib-metadata
 prettytable
+codespell