Add dependabot and licensecheck

.github/dependabot.yml

@@ -0,0 +1,9 @@
+version: 2
+updates:
+- package-ecosystem: maven
+  directory: "/lemminx-maven"
+  schedule:
+    interval: weekly
+  open-pull-requests-limit: 10
+  reviewers:
+  - mbarbero

.github/workflows/licensecheck.yml

@@ -0,0 +1,22 @@
+# This workflow will check for Maven projects if the licenses of all (transitive) dependencies are vetted.
+
+name: License vetting status check
+
+on:
+  push:
+    branches: 
+      - 'master'
+  pull_request:
+    branches: 
+     - 'master'
+  issue_comment:
+    types: [created]
+
+jobs:
+  call-license-check:
+    uses: eclipse/dash-licenses/.github/workflows/mavenLicenseCheck.yml@master
+    with:
+      projectId: technology.lemminx
+      submodules: recursive
+    secrets:
+      gitlabAPIToken: ${{ secrets.ECLIPSE_GITLAB_API_TOKEN }}