feat: configure editorconfig-checker tool

.ecrc

@@ -0,0 +1,22 @@
+{
+  "Version": "v3.0.1",
+  "Verbose": false,
+  "Debug": false,
+  "IgnoreDefaults": false,
+  "SpacesAftertabs": false,
+  "NoColor": false,
+  "Exclude": [
+    "^.git/",
+    "^.idea/"
+  ],
+  "AllowedContentTypes": [],
+  "PassedFiles": [],
+  "Disable": {
+    "EndOfLine": false,
+    "Indentation": false,
+    "InsertFinalNewline": false,
+    "TrimTrailingWhitespace": false,
+    "IndentSize": false,
+    "MaxLineLength": false
+  }
+}

Makefile

@@ -3,6 +3,9 @@ SHELL := /bin/sh
 .SUFFIXES: # no special suffixes
 .DEFAULT_GOAL := default
 
+DOCKER_USER_ARGS = --user=$$(id --user):$$(id --group)
+DOCKER_IMAGE_EDITORCONFIG_CHECKER = mstruebing/editorconfig-checker:v3.0.1
+
 # dummy entry to force make to do nothing by default
 .PHONY: default
 default:
@@ -17,3 +20,8 @@ git_push_current_branch:
 .PHONY: git_push_tags
 git_push_tags:
 	git remote | xargs -L1 git push --verbose --tags
+
+# lint all files against EditorConfig settings
+.PHONY: lint_editorconfig
+lint_editorconfig:
+	docker container run --rm ${DOCKER_USER_ARGS} --volume=$$PWD:/check ${DOCKER_IMAGE_EDITORCONFIG_CHECKER}