diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..66c443a
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,14 @@
+# Configuration file for EditorConfig.
+# More information is available under <https://editorconfig.org/>.
+
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+tab_width = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+max_line_length = 80
diff --git a/CODE_OF_CONDUCT.adoc b/CODE_OF_CONDUCT.adoc
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+++ b/CODE_OF_CONDUCT.adoc
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+:coc_contact: tastytea@tastytea.de
+
+== Code of Conduct
+
+In the interest of fostering an open and welcoming environment, we as
+contributors and maintainers pledge to making participation in our project and
+our community a harassment-free experience for everyone, regardless of age, body
+size, disability, education, ethnicity, gender identity and expression, level of
+experience, nationality, personal appearance, race, religion, sex
+characteristics, sexual identity and orientation or socio-economic status.
+
+=== Examples
+
+Examples of behavior that contributes to creating a positive environment
+include:
+
+* Using welcoming and inclusive language.
+* Being respectful of differing viewpoints and experiences.
+* Gracefully accepting constructive criticism.
+* Focusing on what is best for the community.
+* Showing empathy towards other community members.
+
+Examples of unacceptable behavior by participants include:
+
+* The use of sexualized language or imagery and unwelcome sexual attention or
+  advances.
+* Trolling, insulting/derogatory comments, and personal attacks.
+* Public or private harassment.
+* Publishing others’ private information, such as a physical or electronic
+  address, without explicit permission.
+
+=== Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported by contacting the project team at {coc_contact}.
+
+All complaints will be reviewed and investigated and will result in a response
+that is deemed necessary and appropriate to the circumstances. The project team
+is obligated to maintain confidentiality with regard to the reporter of an
+incident.
+
+=== Attribution
+
+This Code of Conduct is adapted from the Contributor Covenant, version 1.4,
+available at
+https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
+
+For answers to common questions about this code of conduct, see
+https://www.contributor-covenant.org/faq
diff --git a/CONTRIBUTING.adoc b/CONTRIBUTING.adoc
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+++ b/CONTRIBUTING.adoc
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+:project: identiconpp
+
+== How to contribute
+
+Read the link:CODE_OF_CONDUCT.adoc[Code of Conduct].
+
+=== Reporting bugs or suggesting enhancements
+
+Before reporting a bug, please
+https://schlomp.space/tastytea/{project}/issues[perform a search] to see if the
+problem has already been reported. If it has, add a comment to the existing
+issue instead of opening a new one. Same for enhancements.
+
+You can also contact me via mailto:tastytea@tastytea.de[E-Mail],
+link:xmpp:tastytea@tastytea.de[XMPP] or the
+https://likeable.space/users/tastytea[Fediverse] if you don't want to open an
+account.
+
+=== Pull requests
+
+Please use similar coding conventions as the rest of the project. The basic rule
+to remember is to write code in the same style as the existing/surrounding code.