Wavefont: corrected description and metadata.pb

ofl/wavefont/DESCRIPTION.en_us.html

@@ -1 +1,13 @@
-N/A
+<p>Wavefont is a variable font with a Weight, Round, and Vertical Alignment axes for rendering data: waveforms, spectrums, diagrams, bars etc.</p>
+
+<p>Wavefont bars correspond to values from 0 to 100, assigned to different characters:
+    <ul>
+        </li>0-9 chars are for simplified manual input with step 10 (bar height = number).</li>
+        <li>a-z/A-Z for manual input with step 2, softened at edges a and Z (bar height = number of letter).</li>
+        <li>U+0100-017F for 0..127 values with step 1.</li>
+    </ul>
+</p>
+
+<p>letter-spacing CSS property with ch units is useful to adjust distance between bars, 1ch === 1 bar width.</p>
+
+<p>To contribute, see <a href="https://github.com/dy/wavefont">github.com/dy/wavefont</a></p>

ofl/wavefont/METADATA.pb

@@ -30,7 +30,12 @@ axes {
   min_value: 1.0
   max_value: 400.0
 }
+registry_default_overrides {
+  key: "ROND"
+  value: 100
+}
 source {
   repository_url: "https://github.com/dy/wavefont"
   commit: "9eb7f500992b970bab0e695254f09e2a21801cf7"
 }
+minisite_url: "https://dy.github.io/wavefont/out"