Add additional hooks to pre-commit

.pre-commit-config.yaml

@@ -7,4 +7,11 @@ repos:
           - '--print-width=100'
           - '--single-quote'
           - '--trailing-comma=all'
-        exclude: 'CookieMonster(Dev)?.js'
+        exclude: &build 'CookieMonster(Dev)?.js(.map)?'
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.3.0
+    hooks:
+      - id: trailing-whitespace
+        exclude: *build
+      - id: end-of-file-fixer
+        exclude: *build

README.md

@@ -24,13 +24,13 @@ If the relevant option is enabled, CM will color-code each of them based on thei
 <details>
   <summary>The following standard colours are used:</summary>
 
-* Light Blue: (upgrades) This item has a better PP than the best building to buy
-* Green: This building has the best PP
-* Yellow: This building is within the top 10 of best PP's
-* Orange: This building is within the top 20 of best PP's
-* Red: This building is within the top 30 of best PP's
-* Purple: This building is worse than the top 10 of best PP's
-* Gray: This item does not have a PP, often this means that there is no change to CPS
+- Light Blue: (upgrades) This item has a better PP than the best building to buy
+- Green: This building has the best PP
+- Yellow: This building is within the top 10 of best PP's
+- Orange: This building is within the top 20 of best PP's
+- Red: This building is within the top 30 of best PP's
+- Purple: This building is worse than the top 10 of best PP's
+- Gray: This item does not have a PP, often this means that there is no change to CPS
 
 </details>