feat: better logo (#3)

Adds better logo.

- Re-added back local development.

Reviewed-on: #3
Co-authored-by: M. V. Hutz <git@maximhutz.me>
Co-committed-by: M. V. Hutz <git@maximhutz.me>

gitea/Dockerfile.dev

@@ -0,0 +1,13 @@
+FROM gitea/gitea:latest-rootless
+
+ADD --chown=git:git config /etc/gitea
+ADD --chown=git:git custom /etc/gitea-custom
+
+ENV GITEA_CUSTOM=/etc/gitea-custom
+
+RUN rm /etc/gitea/app.ini
+RUN mv /etc/gitea/dev.app.ini /etc/gitea/app.ini
+
+WORKDIR /etc/gitea-custom
+
+RUN gitea cert --host localhost --ca