docs: document SHT support

Author: craftablescience

README.md

@@ -219,11 +219,11 @@ Several modern C++20 libraries for sanely parsing Valve formats, rolled into one
   </tr>
   <tr><!-- empty row to disable github striped bg color --></tr>
   <tr>
-    <td rowspan="25"><code>vtfpp</code></td>
+    <td rowspan="27"><code>vtfpp</code></td>
     <td><a href="https://wiki.mozilla.org/APNG_Specification">APNG</a></td>
     <td align="center">✅</td>
     <td align="center">❌</td>
-    <td rowspan="25" align="center">Python</td>
+    <td rowspan="27" align="center">Python</td>
   </tr>
   <tr><!-- empty row to disable github striped bg color --></tr>
   <tr>
@@ -286,6 +286,12 @@ Several modern C++20 libraries for sanely parsing Valve formats, rolled into one
     <td align="center">❌</td>
   </tr>
   <tr><!-- empty row to disable github striped bg color --></tr>
+  <tr>
+    <td><a href="https://developer.valvesoftware.com/wiki/Animated_Particles">SHT</a> v0-1</td>
+    <td align="center">✅</td>
+    <td align="center">✅</td>
+  </tr>
+  <tr><!-- empty row to disable github striped bg color --></tr>
   <tr>
     <td><a href="https://en.wikipedia.org/wiki/Truevision_TGA">TGA</a></td>
     <td align="center">✅</td>

docs/index.md

@@ -191,11 +191,11 @@ Several modern C++20 libraries for sanely parsing Valve formats, rolled into one
     <td align="center">✅</td>
   </tr>
   <tr>
-    <td rowspan="13"><code>vtfpp</code></td>
+    <td rowspan="14"><code>vtfpp</code></td>
     <td><a href="https://wiki.mozilla.org/APNG_Specification">APNG</a></td>
     <td align="center">✅</td>
     <td align="center">❌</td>
-    <td rowspan="13" align="center">Python</td>
+    <td rowspan="14" align="center">Python</td>
   </tr>
   <tr>
     <td><a href="https://en.wikipedia.org/wiki/BMP_file_format">BMP</a></td>
@@ -247,6 +247,11 @@ Several modern C++20 libraries for sanely parsing Valve formats, rolled into one
     <td align="center">✅</td>
     <td align="center">❌</td>
   </tr>
+  <tr>
+    <td><a href="https://developer.valvesoftware.com/wiki/Animated_Particles">SHT</a> v0-1</td>
+    <td align="center">✅</td>
+    <td align="center">✅</td>
+  </tr>
   <tr>
     <td><a href="https://en.wikipedia.org/wiki/Truevision_TGA">TGA</a></td>
     <td align="center">✅</td>