FEATURE displaying data tree
diff --git a/frontend-assets/icons/info_active.svg b/frontend-assets/icons/info_active.svg
new file mode 100644
index 0000000..73992c5
--- /dev/null
+++ b/frontend-assets/icons/info_active.svg
@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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+
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+ 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"
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+ id="svg2"
+ inkscape:version="0.91+devel r14491"
+ width="32"
+ height="32"
+ viewBox="0 0 32 32"
+ sodipodi:docname="info_active.svg">
+ <metadata
+ id="metadata8">
+ <rdf:RDF>
+ <cc:Work
+ rdf:about="">
+ <dc:format>image/svg+xml</dc:format>
+ <dc:type
+ rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+ <dc:title></dc:title>
+ </cc:Work>
+ </rdf:RDF>
+ </metadata>
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+ id="defs6" />
+ <sodipodi:namedview
+ pagecolor="#ffffff"
+ bordercolor="#666666"
+ borderopacity="1"
+ objecttolerance="10"
+ gridtolerance="10"
+ guidetolerance="10"
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+ inkscape:pageshadow="2"
+ inkscape:window-width="1764"
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+ showgrid="true"
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+ inkscape:window-y="0"
+ inkscape:window-maximized="1"
+ inkscape:current-layer="svg2">
+ <inkscape:grid
+ type="xygrid"
+ id="grid29" />
+ </sodipodi:namedview>
+ <ellipse
+ style="fill:#0054a6;fill-opacity:1;stroke-width:0.01;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none"
+ id="path197"
+ cy="16.042376"
+ cx="16.059322"
+ rx="13.059322"
+ ry="13.025427" />
+ <text
+ xml:space="preserve"
+ style="font-style:normal;font-variant:normal;font-weight:600;font-stretch:normal;font-size:20px;line-height:125%;font-family:'Latin Modern Roman Demi';-inkscape-font-specification:'Latin Modern Roman Demi Semi-Bold';letter-spacing:0px;word-spacing:0px;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
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