feat(frontend): add about page

frontend/src/routes/page/about/about.md

@@ -0,0 +1,32 @@
+# Contact
+
+If you have any questions about pronouns.cc, you can email [contact@pronouns.cc](mailto:contact@pronouns.cc).  
+You can also contact this address if your account has been suspended and you want your data exported.
+
+# Licenses & attribution
+
+- The pronouns.cc logo uses [Twitter's Twemoji](https://github.com/twitter/twemoji) and the [Fira Sans](https://bboxtype.com/typefaces/FiraGO) font.
+- The font used throughout the website is [FiraGO](https://bboxtype.com/typefaces/FiraGO).
+
+pronouns.cc itself is licensed under the GNU Affero General Public License, version 3 or later.  
+Here's the blurb that the license recommends me to put somewhere in the program:
+
+> This program is free software: you can redistribute it and/or modify  
+> it under the terms of the GNU Affero General Public License as published  
+> by the Free Software Foundation, either version 3 of the License, or  
+> (at your option) any later version.
+>
+> This program is distributed in the hope that it will be useful,  
+> but WITHOUT ANY WARRANTY; without even the implied warranty of  
+> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the  
+> GNU Affero General Public License for more details.
+>
+> You should have received a copy of the GNU Affero General Public License  
+> along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+pronouns.cc's source code is available [on Codeberg](https://codeberg.org/u1f320/pronouns.cc).
+
+# Support pronouns.cc
+
+If you like pronouns.cc and want to support it, I have a Liberapay page here: [liberapay.com/u1f320](https://liberapay.com/u1f320/)!  
+It's not required and doesn't give you any perks, but it would be helpful—running a website is expensive.