diff --git a/.editorconfig b/.editorconfig
index 32c7098..f431d25 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -4,7 +4,6 @@
 
 root = true
 
-
 [*]
 end_of_line = lf
 charset = utf-8
diff --git a/.github/ISSUE_TEMPLATE/bug_report.md b/.github/ISSUE_TEMPLATE/bug_report.md
index ff6b65c..17b283d 100644
--- a/.github/ISSUE_TEMPLATE/bug_report.md
+++ b/.github/ISSUE_TEMPLATE/bug_report.md
@@ -10,28 +10,31 @@ assignees: ''
 A clear and concise description of what the bug is.
 
 **To Reproduce**
-Steps to reproduce the behavior:
+Steps to reproduce the behaviour:
+
 1. Go to '...'
 2. Click on '....'
 3. Scroll down to '....'
 4. See error
 
-**Expected behavior**
+**Expected behaviour**
 A clear and concise description of what you expected to happen.
 
 **Screenshots**
 If applicable, add screenshots to help explain your problem.
 
 **Desktop (please complete the following information):**
- - OS: [e.g. iOS]
- - Browser [e.g. chrome, safari]
- - Version [e.g. 22]
+
+- OS: [e.g. iOS]
+- Browser [e.g. chrome, safari]
+- Version [e.g. 22]
 
 **Smartphone (please complete the following information):**
- - Device: [e.g. iPhone6]
- - OS: [e.g. iOS8.1]
- - Browser [e.g. stock browser, safari]
- - Version [e.g. 22]
+
+- Device: [e.g. iPhone6]
+- OS: [e.g. iOS8.1]
+- Browser [e.g. stock browser, safari]
+- Version [e.g. 22]
 
 **Additional context**
 Add any other context about the problem here.
diff --git a/.github/workflows/auto-merge.yaml b/.github/workflows/auto-merge.yaml
new file mode 100644
index 0000000..45242ca
--- /dev/null
+++ b/.github/workflows/auto-merge.yaml
@@ -0,0 +1,24 @@
+---
+name: auto-merge
+on:
+  pull_request:
+permissions:
+  contents: write
+  pull-requests: write
+jobs:
+  dependabot:
+    if: github.triggering_actor == 'dependabot[bot]'
+    name: Auto merge pull requests
+    runs-on: ubuntu-latest
+    steps:
+    - name: Approve Dependabot PR
+      run: gh pr review --approve "${PR_URL}"
+      env:
+        PR_URL: ${{ github.event.pull_request.html_url }}
+        GITHUB_TOKEN: ${{ secrets.MACHINE_TOKEN }}
+    - if: contains(github.event.pull_request.labels.*.name, 'github_actions')
+      name: Enable auto-merge for Dependabot PR
+      run: gh pr merge --auto --merge "${PR_URL}"
+      env:
+        PR_URL: ${{ github.event.pull_request.html_url }}
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/policy.yaml b/.github/workflows/policy.yaml
index c53c3b1..1fdb093 100644
--- a/.github/workflows/policy.yaml
+++ b/.github/workflows/policy.yaml
@@ -44,8 +44,20 @@ jobs:
       run: npm install @commitlint/config-conventional
     - name: Validate all commits
       run: npx commitlint --from ${{ github.event.pull_request.base.sha }} --to HEAD --verbose
-  yamllint:
-    name: Lint YAML documents
+  markdown-style:
+    name: Check markdown style
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+    - uses: actions/setup-node@v3
+      with:
+        node-version: 19.x
+    - name: Validate markdown
+      run: npx markdownlint-cli2 **/*.md
+  yaml-style:
+    name: Check YAML style
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
@@ -54,5 +66,5 @@ jobs:
         python-version: "3.10"
     - name: Install yamllint
       run: pip install --user yamllint
-    - name: Lint
+    - name: Validate YAML
       run: yamllint .
diff --git a/.markdownlint.jsonc b/.markdownlint.jsonc
new file mode 100644
index 0000000..a4c6c19
--- /dev/null
+++ b/.markdownlint.jsonc
@@ -0,0 +1,6 @@
+{
+  "default": true,
+  "line-length": {
+    "tables": false
+  }
+}
diff --git a/.yamlfmt b/.yamlfmt
new file mode 100644
index 0000000..829cf0b
--- /dev/null
+++ b/.yamlfmt
@@ -0,0 +1,15 @@
+# vi: ft=yaml
+---
+formatter:
+  type: basic
+  # There is a "bug" with the behaviour of this option that will move file head
+  # comments below the initial document start. For example front matter is
+  # rearraged and therefore misplaced in the file. This behaviour prevents
+  # `ymalfmt` from being run in CI or automatically in code editors.
+  include_document_start: true
+  indentless_arrays: true
+  pad_line_comments: 2
+  # There is missing functionality in `yamlfmt` to remove redundantly quoted
+  # strings from YAML documents, and prefer the use of double quotes (or
+  # whatever is configured). This means further manual effort is required to
+  # correct files.
diff --git a/.yamllint b/.yamllint
index a2b4b36..3c41533 100644
--- a/.yamllint
+++ b/.yamllint
@@ -2,6 +2,8 @@
 ---
 extends: default
 rules:
+  document-start:
+    level: error
   indentation:
     indent-sequences: false
     spaces: 2