Add project configuration

Author: Vincent Nadoll

.editorconfig

@@ -0,0 +1,14 @@
+root = true
+
+[*]
+charset = utf-8
+indent_size = 4
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.java]
+max_line_length = 120
+
+[*.md]
+trim_trailing_whitespace = false

.gitignore

@@ -1,11 +1,14 @@
+### Maven ###
 target/
-pom.xml.tag
-pom.xml.releaseBackup
-pom.xml.versionsBackup
-pom.xml.next
-release.properties
-dependency-reduced-pom.xml
-buildNumber.properties
-.mvn/timing.properties
-# https://github.com/takari/maven-wrapper#usage-without-binary-jar
-.mvn/wrapper/maven-wrapper.jar
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### VS Code ###
+.vscode/
+
+### MacOS ###
+.DS_Store