chore: simplify cspell action and test by changing an md file

Author: stropitek

.github/workflows/spellcheck.yml

@@ -11,13 +11,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
-        with:
-          node-version-file: package.json
-          cache: npm
-      - name: Install dependencies
-        run: npm ci
       - uses: streetsidesoftware/cspell-action@v7
         with:
+          config: ./cspell.config.yaml
           files: |
             **/*.md

docs/Features/Comparison/Addition.md

@@ -4,7 +4,7 @@ sidebar_position: 10
 
 # Addition
 
-_Makes an addition between two images._
+_Add two images together._
 
 [🖼️ Image options and parameters of `add` method](https://image-js.github.io/image-js-typescript/classes/Image.html#add 'github.io link')