add full size logos (#349)

doc/logo/rectangle-transparent.svg

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg width="424px" height="82px" viewBox="0 0 424 82" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+    <title>长款的 svg格式透明</title>
+    <g id="长款的-svg格式透明" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
+        <rect id="矩形" x="0" y="0" width="424" height="82"></rect>
+        <text id="Spring-Cloud-Tencent" font-family="TencentSansW7, TencentSans" font-size="34" font-weight="bold" letter-spacing="-0.50303" fill="#000000">
+            <tspan x="83.8428418" y="49.8255109">Spring Cloud Tencent</tspan>
+        </text>
+        <polygon id="路径-2备份-10" fill="#95D2F7" points="43.9206195 11.8255109 43.9206195 21.8255109 52.6095084 16.8255109"></polygon>
+        <polygon id="矩形备份-25" fill="#7F98FF" points="24.9833459 32.3489782 48.8428418 46.1744891 48.8428418 73.8255109 24.9833459 60"></polygon>
+        <polygon id="矩形备份-26" fill="#7F98FF" transform="translate(55.772590, 29.412755) scale(-1, 1) translate(-55.772590, -29.412755) " points="43.8428418 8 67.7023376 21.8255109 67.7023376 50.8255109 43.8428418 37"></polygon>
+        <polygon id="矩形备份-27" fill="#95D2F7" transform="translate(24.983346, 21.523467) scale(-1, 1) translate(-24.983346, -21.523467) " points="24.9833459 10.5234673 43.9666917 21.5234673 24.9833459 32.5234673 6 21.5234673"></polygon>
+        <polygon id="路径-3" fill="#4065FF" points="43.8428418 43.2977777 43.8428418 50.8255109 48.8428418 47.9799656 48.8428418 46.1744891"></polygon>
+    </g>
+</svg>

doc/logo/rectangle-white.svg

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg width="424px" height="82px" viewBox="0 0 424 82" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+    <title>长款的 svg 格式的白底</title>
+    <g id="长款的-svg-格式的白底" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
+        <rect id="矩形" fill="#FFFFFF" x="0" y="0" width="424" height="82"></rect>
+        <rect id="矩形" fill="#FFFFFF" x="6" y="8" width="412" height="66"></rect>
+        <text id="Spring-Cloud-Tencent" font-family="TencentSansW7, TencentSans" font-size="34" font-weight="bold" letter-spacing="-0.50303" fill="#000000">
+            <tspan x="83.8428418" y="49.8255109">Spring Cloud Tencent</tspan>
+        </text>
+        <polygon id="路径-2备份-10" fill="#95D2F7" points="43.9206195 11.8255109 43.9206195 21.8255109 52.6095084 16.8255109"></polygon>
+        <polygon id="矩形备份-25" fill="#7F98FF" points="24.9833459 32.3489782 48.8428418 46.1744891 48.8428418 73.8255109 24.9833459 60"></polygon>
+        <polygon id="矩形备份-26" fill="#7F98FF" transform="translate(55.772590, 29.412755) scale(-1, 1) translate(-55.772590, -29.412755) " points="43.8428418 8 67.7023376 21.8255109 67.7023376 50.8255109 43.8428418 37"></polygon>
+        <polygon id="矩形备份-27" fill="#95D2F7" transform="translate(24.983346, 21.523467) scale(-1, 1) translate(-24.983346, -21.523467) " points="24.9833459 10.5234673 43.9666917 21.5234673 24.9833459 32.5234673 6 21.5234673"></polygon>
+        <polygon id="路径-3" fill="#4065FF" points="43.8428418 43.2977777 43.8428418 50.8255109 48.8428418 47.9799656 48.8428418 46.1744891"></polygon>
+    </g>
+</svg>