Add codespell support (config, workflow to detect/not fix) and make it fix few typos

.codespellrc

@@ -0,0 +1,4 @@
+[codespell]
+skip = .git,*.pdf,*.svg,*v2.2.xml,kernel-4.[012345]*,kernel-[123]*,xsd.xsl
+ignore-regex = .*xml:lang="(?!en\b)[a-zA-Z]{2}".*|\b(Simon Hart|GAGE)\b
+# ignore-words-list = 

.github/workflows/codespell.yml

@@ -0,0 +1,25 @@
+# Codespell configuration is within .codespellrc
+---
+name: Codespell
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+permissions:
+  contents: read
+
+jobs:
+  codespell:
+    name: Check for spelling errors
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Annotate locations with typos
+        uses: codespell-project/codespell-problem-matcher@v1
+      - name: Codespell
+        uses: codespell-project/actions-codespell@v2

CHANGELOG.md

@@ -473,7 +473,7 @@
 **Closed issues:**
 
 - add more tests [\#25](https://github.com/datacite/schema/issues/25)
-- Adressing version issues in the documentation [\#21](https://github.com/datacite/schema/issues/21)
+- Addressing version issues in the documentation [\#21](https://github.com/datacite/schema/issues/21)
 - Update Citation in Documentation [\#20](https://github.com/datacite/schema/issues/20)
 - integrate testing of non-valid example [\#12](https://github.com/datacite/schema/issues/12)
 - provide changelog for schema versions [\#9](https://github.com/datacite/schema/issues/9)
@@ -522,7 +522,7 @@
 **Closed issues:**
 
 - make html pages valid [\#24](https://github.com/datacite/schema/issues/24)
-- Chage wording in documentation [\#15](https://github.com/datacite/schema/issues/15)
+- Change wording in documentation [\#15](https://github.com/datacite/schema/issues/15)
 
 ## [v.3.1.12](https://github.com/datacite/schema/tree/v.3.1.12) (2016-01-10)
 

source/meta/kernel-4/example/datacite-example-multilingual-v4.xml

@@ -31,7 +31,7 @@
         <date dateType="Available">2024-01-01</date>
     </dates>      
     <descriptions>
-        <description xml:lang="en" descriptionType="Abstract">This chapter reviews selected landmarks ocurred in Chemistry basic research in the last 5 years</description>
+        <description xml:lang="en" descriptionType="Abstract">This chapter reviews selected landmarks occurred in Chemistry basic research in the last 5 years</description>
         <description xml:lang="es" descriptionType="Abstract">El capítulo repasa los principales avances en la investigación básica en Ciencias Químicas en los últimos 5 años</description>
         <description xml:lang="zh" descriptionType="Abstract">本章回顾了过去5年中在化学基础研究中发生的一些里程碑式的事件</description>
     </descriptions>