PS-10003 [DOCS] Implement the LinkChecker (#528)

new file:   .github/workflows/linkspector.yml
	new file:   docs/.linkspector.yml

Author: alina-derkach-oaza

.github/workflows/linkspector.yml

@@ -0,0 +1,23 @@
+name: Linkspector
+on: 
+  pull_request:
+    paths:
+      - "docs/**"
+
+jobs:
+  check-links:
+    name: linkspector
+    runs-on: ubuntu-22.04
+    if: ${{ github.actor != 'dependabot[bot]' }}
+    steps:
+      - name: Check out code
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+
+      - name: Run linkspector
+        uses: umbrelladocs/action-linkspector@de84085e0f51452a470558693d7d308fbb2fa261 # v1.2.5
+        with:
+          github_token: ${{ secrets.ROBOT_TOKEN || secrets.GITHUB_TOKEN }}
+          reporter: github-pr-review
+          fail_level: error
+          filter_mode: nofilter
+          config_file: docs/.linkspector.yml

docs/.linkspector.yml

@@ -0,0 +1,13 @@
+dirs:
+  - docs
+
+ignorePatterns:
+  - pattern: "^https://www.reddit.com/r/VictoriaMetrics/"
+  - pattern: "^https://linux.die.net/man/8/logrotate"
+  - pattern: "#os_alerts$"
+  - pattern: "#pmm_alerts$"
+  - pattern: "#mongodb_alerts$"
+  - pattern: "#pbm_alerts$"
+  - pattern: "#mysql_alerts$"
+  - pattern: "#postgresql_alerts$"
+  - pattern: "#proxysql_alerts$"