ci: use .codespellrc for codespell config, use regex to capture large base64...

ci: use .codespellrc for codespell config, use regex to capture large base64 e.g. jupyter notebook image outputs

.codespellrc

+[codespell]
+# Ignore long base64 - e.g. images in notebooks
+ignore-regex = [A-Za-z0-9+/]{100,}
+skip = "./docs/_build"
+count = true
+quiet-level = 3

pyproject.toml

@@ -34,11 +34,7 @@ classifiers = [
 [project.optional-dependencies]
 notebooks = ["ipykernel", "polars"]
 test = ["pytest"]
-docs = [
-  "sphinx",
-  "sphinx-autodoc-typehints",
-  "sphinx-rtd-theme",
-]
+docs = ["sphinx", "sphinx-autodoc-typehints", "sphinx-rtd-theme"]
 all = [
   "ipykernel",
   "polars",
@@ -98,11 +94,6 @@ polars = "pl"
 scipy = "sp"
 xarray = "xr"
 
-[tool.codespell]
-skip = "./docs/_build"
-count = true
-quiet-level = 3
-
 [project.urls]
 Repository = "https://git.noc.ac.uk/nocsurfaceprocesses/geospatialtools"