feat(config): add configuration files for Maven and Prettier

.dockerignore

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+ Created by https://www.toptal.com/developers/gitignore/api/maven
+# Edit at https://www.toptal.com/developers/gitignore?templates=maven
+
+### 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
+
+# Eclipse m2e generated files
+# Eclipse Core
+.project
+# JDT-specific (Eclipse Java Development Tools)
+.classpath
+
+# End of https://www.toptal.com/developers/gitignore/api/maven
+
+.idea
+.env*

.editorconfig

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+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true

.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+node_modules
+dist
+dist-ssr
+*.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?

.prettierignore

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+node_modules/
+dist/

.prettierrc

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+{
+  "singleQuote": true,
+  "endOfLine": "lf",
+  "bracketSpacing": true,
+  "bracketSameLine": true,
+  "arrowParens": "always",
+  "tabWidth": 2,
+  "semi": true,
+  "trailingComma": "all",
+  "useTabs": false
+}