add mtinfo mod and workflow

.github/workflows/mtinfo.yml

@@ -0,0 +1,21 @@
+name: mtinfo
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-20.04
+
+    steps:
+    - uses: actions/checkout@v1
+
+    - name: generate
+      run: ./mtinfo.sh
+
+    - name: deploy
+      if: github.ref == 'refs/heads/master'
+      uses: peaceiris/actions-gh-pages@v3
+      with:
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        publish_dir: /tmp/mt/worlds/world/mtinfo

.gitmodules

@@ -561,3 +561,6 @@
 [submodule "ice"]
 	path = ice
 	url = https://github.com/mt-mods/ice
+[submodule "mtinfo"]
+	path = mtinfo
+	url = https://github.com/BuckarooBanzay/mtinfo/

mtinfo

@@ -0,0 +1 @@
+Subproject commit 9d9cd2c1a245a2bd2165462a40700fbb5230a21d

mtinfo-minetest.conf

@@ -0,0 +1,6 @@
+# mtinfo related settings
+
+mtinfo.autoshutdown = true
+
+moreblocks.stairsplus_in_creative_inventory = false
+bridger_enable_trusses = true

mtinfo.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+# simple integration test
+
+mkdir -p /tmp/mt/worlds/world
+chmod 777 /tmp/mt -Rv
+docker run --rm -i \
+	-v $(pwd)/mtinfo-minetest.conf:/etc/minetest/minetest.conf \
+	-v /tmp/mt:/var/lib/minetest/.minetest \
+	-v $(pwd):/var/lib/minetest/.minetest/worlds/world/worldmods \
+	registry.gitlab.com/minetest/minetest/server:5.4.0
+