docs(website): rename Material UI to MUI (#1434)

Signed-off-by: Takuya Noguchi <takninnovationresearch@gmail.com>

packages/website/src/components/showcase-projects.json

@@ -5,8 +5,8 @@
     "href": "https://getbootstrap.com/docs/5.1/getting-started/introduction/"
   },
   {
-    "name": "Material UI",
-    "image": "img/logos/material-ui.svg",
+    "name": "MUI",
+    "image": "img/logos/mui.svg",
     "href": "https://mui.com"
   },
   {

packages/website/static/img/logos/material-ui.svg

@@ -1 +0,0 @@
-<svg height="256" viewBox="0 0 256 256" width="256" xmlns="http://www.w3.org/2000/svg"><g stroke-width=".426667" transform="translate(0 26.389335)"><path d="m0 110.848v-110.848l96 55.424v36.949333l-64-36.949333v73.89867z" fill="#00b0ff" opacity=".95"/><path d="m96 55.424 96-55.424v110.848l-64 36.94933-32-18.47466 64-36.949337v-36.949333l-64 36.949333z" fill="#0081cb"/><path d="m96 129.32267v36.94933l64 36.94933v-36.94933z" fill="#00b0ff"/><path d="m160 203.22133 96-55.424v-73.898663l-32 18.474666v36.949337l-64 36.94933zm64-147.79733v-36.949333l32-18.474667v36.949333z" fill="#0081cb"/></g></svg>

packages/website/static/img/logos/mui.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="36" height="32" viewBox="0 0 36 32" fill="none"><path d="M30.343 21.976a1 1 0 00.502-.864l.018-5.787a1 1 0 01.502-.864l3.137-1.802a1 1 0 011.498.867v10.521a1 1 0 01-.502.867l-11.839 6.8a1 1 0 01-.994.001l-9.291-5.314a1 1 0 01-.504-.868v-5.305c0-.006.007-.01.013-.007.005.003.012 0 .012-.007v-.006c0-.004.002-.008.006-.01l7.652-4.396c.007-.004.004-.015-.004-.015a.008.008 0 01-.008-.008l.015-5.201a1 1 0 00-1.5-.87l-5.687 3.277a1 1 0 01-.998 0L6.666 9.7a1 1 0 00-1.499.866v9.4a1 1 0 01-1.496.869l-3.166-1.81a1 1 0 01-.504-.87l.028-16.43A1 1 0 011.527.86l10.845 6.229a1 1 0 00.996 0L24.21.86a1 1 0 011.498.868v16.434a1 1 0 01-.501.867l-5.678 3.27a1 1 0 00.004 1.735l3.132 1.783a1 1 0 00.993-.002l6.685-3.839zM31 7.234a1 1 0 001.514.857l3-1.8A1 1 0 0036 5.434V1.766A1 1 0 0034.486.91l-3 1.8a1 1 0 00-.486.857v3.668z" fill="#007FFF" /></svg>