Update documentation and permalinks for consistency and clarity

- Changed references in markup.md to update "data.html" to "data/" for clarity.
- Updated metadata.md to correct the link to the general documentation.
- Modified navbar.md to ensure stub values match the new permalink structure.
- Adjusted tables.md to reflect the new permalink for the table visualization page.
- Updated about.md to change the permalink from "/about.html" to "/about/" and revised content for clarity and impact.
- Changed browse.md permalink from "/browse.html" to "/browse/" for consistency.
- Added copyright.md page with copyright information and terms of use.
- Updated data.md to change permalink from "/data.html" to "/data/" and added introductory content.
- Created donate.md page to facilitate donations and acknowledge supporters.
- Updated locations.md permalink from "/locations.html" to "/locations/" for consistency.
- Changed map.md permalink from "/map.html" to "/map/" for uniformity.
- Added erasure.md page discussing the historical context of Black queer Kansas Citians.
- Updated out-there.md to correct the link to Lea Hopkins' interview.
- Changed subjects.md permalink from "/subjects.html" to "/subjects/" for consistency.
- Updated timeline.md permalink from "/timeline.html" to "/timeline/" for uniformity.

_includes/item/mini-map.html

@@ -15,7 +15,7 @@
 </style>
 <div id="mini-map"></div>
 {% if include.map-link == true %}
-<a href="{{ '/map.html?location=' | append: page.latitude  | append: ',' | append: page.longitude | append: '&marker=' | append: page.objectid | relative_url }}" class="btn btn-outline-primary my-3">View on Full Map</a>{% endif %}
+<a href="{{ '/map/?location=' | append: page.latitude  | append: ',' | append: page.longitude | append: '&marker=' | append: page.objectid | relative_url }}" class="btn btn-outline-primary my-3">View on Full Map</a>{% endif %}
 <!-- load leaflet dependencies -->
 <link rel="stylesheet" href="{{ site.lib-assets | default: '/assets/lib' | relative_url }}/leaflet/leaflet.css">
 <link rel="stylesheet" href="{{ site.lib-assets | default: '/assets/lib' | relative_url }}/leaflet/leaflet.fullscreen.css">