Improve SVG side & add transport-mode SVG

static/images/nav/home_icon.svg

@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<svg version="1.1" viewBox="0 0 97.74 85.154" xmlns="http://www.w3.org/2000/svg" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
-<metadata>
-<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/>
-</cc:Work>
-</rdf:RDF>
-</metadata>
-<g transform="translate(-51.081 -910.49)">
-<path d="m100.72 910.49-24.82 23.287-24.82 23.285 16.678 0.084v38.498h23.467v-32.783h17.453v32.783h23.467v-38.174l16.676 0.084-48.1-47.064z" color="#000000" color-rendering="auto" fill="#fff" fill-rule="evenodd" image-rendering="auto" shape-rendering="auto" solid-color="#000000" style="isolation:auto;mix-blend-mode:normal"/>
-</g>
-</svg>

static/images/nav/save.svg

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<svg width="4.7625mm" height="4.7625mm" version="1.1" viewBox="0 0 4.7625 4.7625" xmlns="http://www.w3.org/2000/svg">
-<g transform="translate(-123.47 -217.85)">
-<path d="m126.38 220.44c-0.1323-0.12965-0.3228-0.21167-0.52917-0.21167-0.43921 0-0.79375 0.35454-0.79375 0.79375 0 0.3466 0.22225 0.63765 0.52917 0.74612 0.0185-0.56885 0.33602-1.0636 0.79375-1.3282m-0.76994 1.6404h-1.6113v-3.7042h2.9554l0.74877 0.74877v1.1959c0.19844 0.0688 0.37571 0.17198 0.52917 0.31486v-1.7304l-1.0583-1.0583h-3.175c-0.29369 0-0.52917 0.23812-0.52917 0.52917v3.7042c0 0.29104 0.23548 0.52917 0.52917 0.52917h1.8018c-0.0926-0.1614-0.15875-0.33867-0.1905-0.52917m-1.3467-2.3812h2.3812v-1.0583h-2.3812v1.0583m2.5797 2.9104-0.72761-0.79375 0.30692-0.30692 0.42069 0.42069 0.94985-0.94985 0.30692 0.37306-1.2568 1.2568" fill="#f9f9f9" stroke-width=".26458"/>
-</g>
-</svg>