优化项目结构, 增加表格和文档插件

xbot-et/ribbon.xml

@@ -0,0 +1,12 @@
+<customUI xmlns="http://schemas.microsoft.com/office/2006/01/customui" onLoad="OnAddinLoad">
+    <ribbon startFromScratch="false">
+        <tabs>
+            <tab id="wpsAddinTab" label="影刀插件">
+				<group id="btnDemoGroup" label="group1">
+                    <button id="btnShowAbout" label="关于" onAction="OnAction" getImage="GetImage"
+                        visible="true" size="large" />
+				</group>
+            </tab>
+        </tabs>
+    </ribbon>
+</customUI>