Add pre-commit checks and fix whitespace errors

.pre-commit-config.yaml

@@ -0,0 +1,27 @@
+ci:
+  autoupdate_schedule: quarterly
+  autofix_prs: false
+
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v5.0.0
+    hooks:
+      # Validate format
+      - id: check-yaml
+      - id: check-toml
+      - id: check-json
+      # Check for common mistakes
+      - id: check-added-large-files
+      - id: check-case-conflict
+      # - id: check-illegal-windows-names # TODO: Enable in next release
+      - id: check-merge-conflict
+      - id: check-executables-have-shebangs
+      - id: check-shebang-scripts-are-executable
+      - id: check-symlinks
+      - id: check-vcs-permalinks
+      - id: destroyed-symlinks
+      - id: detect-private-key
+      - id: end-of-file-fixer
+      - id: mixed-line-ending
+      - id: no-commit-to-branch # protects `main` by default
+      - id: trailing-whitespace

_extensions/mcanouil/iconify/iconify.lua

@@ -143,7 +143,7 @@ return {
       if is_empty(inline) or inline ~= "false" then
         attributes = ' inline ' .. attributes
       end
-      
+
 
       return pandoc.RawInline(
         'html',

blog/20241030-kickoff.md

@@ -33,7 +33,7 @@ We brainstormed our values - not in priority order.
 * Reproducibility (scripting)
 * Client-side computing
   * Binder -> JupyterLite?
-  * DEMOCRATIZING! 
+  * DEMOCRATIZING!
   * See Capytale - high school teachers created the first WASM Jupyter. Serves 500k
     French high school students per year on two computers because everything is done
     client-side.
@@ -184,5 +184,5 @@ We brainstormed our values - not in priority order.
     process.
   * Audited MyST/AGU work for openness. Carthic(?). CurveNote. Hope Carthic will provide
     more funding. (Sorry, this isn't clear because I got behind on notetaking!)
-  * AGU & physics communities leading the way. 
+  * AGU & physics communities leading the way.
   * Want scrollytelling in MyST!