Revert "Switch link checker to lychee (and let it run more often) (JabRef#532)"

This reverts commit 730dc64.

Author: koppor

.github/workflows/check-links.yaml

@@ -0,0 +1,16 @@
+name: Check Markdown links
+
+on:
+  workflow_dispatch:
+
+jobs:
+  markdown-link-check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: gaurav-nelson/github-action-markdown-link-check@v1
+        with:
+          use-quiet-mode: 'yes'
+          use-verbose-mode: 'no'
+          config-file: 'mlc_config.json'
+          folder-path: 'en'

.github/workflows/checks.yaml

@@ -0,0 +1,21 @@
+name: Lint
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+  workflow_dispatch:
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Git repository
+        uses: actions/checkout@v4
+        with:
+          show-progress: ''
+      - name: markdownlint-cli2-action
+        uses: DavidAnson/markdownlint-cli2-action@v9
+        with:
+          globs: |
+            **/*.md
+            #node_modules

.github/workflows/lint.yaml

@@ -0,0 +1,31 @@
+{
+    "ignorePatterns": [
+        {
+            "pattern": "^https://.*\\.crossref\\.org"
+        },
+        {
+            "pattern": "^https://.*\\.github\\.com"
+        },
+        {
+            "pattern": "^https://dl\\.acm\\.org"
+        },
+        {
+            "pattern": "^http://purl\\.org/net/bibteXMP"
+        },
+        {
+            "pattern": "^https://.*\\.jabref\\.org"
+        },
+        {
+            "pattern": "\\.tex\\.ac\\.uk/"
+        },
+        {
+          "pattern": "gitignore\\.io"
+        },
+        {
+          "pattern": "en\\.wikipedia\\.org"
+        },
+        {
+            "pattern": "^https://web.archive.org/"
+        }
+    ]
+}