Added button to hide intermediate values

src/truth-table.tsx

@@ -220,6 +220,7 @@ hideIntermediate=${ hideIntermediates() }`)
 
                     </form>
 
+                    { /* Options row */ }
                     <Row className={ "my-1 gap-2" }>
                         <span class={ "h-min" }>{ "Simplify" }: </span>
 
@@ -267,6 +268,10 @@ hideIntermediate=${ hideIntermediates() }`)
                             />
                         </div>
 
+                        <MySwitch title={ "Hide intermediate values" }
+                                  onChange={ setHideIntermediates }
+                                  defaultValue={ hideIntermediates() } />
+
                         <Show when={ isLoaded() } keyed>
 
                             <MyDialog title={ "Download" }