Reorganise nodes into new categories

packages/node_modules/@node-red/nodes/locales/en-US/function/16-range.html

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+<!--
+  Copyright JS Foundation and other contributors, http://js.foundation
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
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+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<script type="text/x-red" data-help-name="range">
+    <p>Maps a numeric value to a different range.</p>
+    <h3>Inputs</h3>
+    <dl class="message-properties">
+        <dt>payload <span class="property-type">number</span></dt>
+        <dd>The payload <i>must</i> be a number. Anything else will try to be
+        parsed into a number and rejected if that fails.</dd>
+    </dl>
+    <h3>Outputs</h3>
+    <dl class="message-properties">
+        <dt>payload <span class="property-type">number</span></dt>
+        <dd>The value mapped to the new range.</dd>
+    </dl>
+    <h3>Details</h3>
+    <p>This node will linearly scale the received value. By default, the result
+       is not constrained to the range defined in the node.</p>
+    <p><i>Scale and limit to target range</i> means that the result will never be outside
+    the range specified within the result range.</p>
+    <p><i>Scale and wrap within the target range</i> means that the result will
+    be wrapped within the result range.</p>
+</script>