Merge branch 'docs' into 'master'

docs: add brief contributing and contact docs

See merge request live-team/live-build!191

doc/contacting.md

@@ -0,0 +1,14 @@
+Contacting
+==========
+
+ * **Mailing list**: The primary contact for the project is [the mailing list][list]. You can email the list directly by addressing your mail to [debian-live@lists.debian.org][listmail]​.
+
+ * **IRC**: A number of users and developers are present in the `#debian-live` channel on [irc.debian.org](irc.debian.org) (OFTC). When asking a question on IRC, please be patient for an answer. If no answer is forthcoming, please email the mailing list.
+
+ * **BTS**: The [Debian Bug Tracking System][bts] (BTS) contains details of bugs reported by users and developers. Each bug is given a number, and is kept on file until it is marked as having been dealt with. For more information, please firstly see [the general Debian bug reporting documentation][debianbugs], and secondly [the bug reporting guidelines in `live-manual`][lmbugs].
+
+[list]: https://lists.debian.org/debian-live/
+[listmail]: mailto:debian-live@lists.debian.org
+[bts]: https://www.debian.org/Bugs/
+[debianbugs]: https://www.debian.org/Bugs/Reporting
+[lmbugs]: https://live-team.pages.debian.net/live-manual/html/live-manual/bugs.en.html

doc/contributing.md

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+Contributing to live-build
+==========================
+
+Contributions are very welcome.
+
+Please read the contributing notes found in the [Debian Live wiki][wiki], specifically under the section titled "Contributing to Debian Live".
+
+Additionally, please note that additional contributing notes, including some relating to translations and coding style preferences, that are applicable to `live-build` and its associated packages (such as `live-boot` and `live-config`), can be found within [the `doc` directory of the `live-manual` git repository][lm-doc-dir].
+
+[wiki]: https://wiki.debian.org/DebianLive
+[lm-doc-dir]: https://salsa.debian.org/live-team/live-manual/-/tree/master/doc