Revise IDE configurations (KDEV4)

assets/icons/down.svg

@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="24"
+   height="24"
+   viewBox="0 0 24 24"
+   fill="none"
+   stroke="currentColor"
+   stroke-width="2"
+   stroke-linecap="round"
+   stroke-linejoin="round"
+   class="feather feather-chevron-down"
+   version="1.1"
+   id="svg3507"
+   sodipodi:docname="chevron-down.svg"
+   inkscape:version="1.0.2 (e86c870879, 2021-01-15)">
+  <metadata
+     id="metadata3513">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs3511" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1858"
+     inkscape:window-height="1048"
+     id="namedview3509"
+     showgrid="false"
+     inkscape:zoom="29.791667"
+     inkscape:cx="12"
+     inkscape:cy="12"
+     inkscape:window-x="62"
+     inkscape:window-y="32"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg3507" />
+  <polyline
+     points="6 9 12 15 18 9"
+     id="polyline3505"
+     style="stroke:#2951b5;stroke-opacity:1" />
+</svg>