Add info tooltip documentation

Signed-off-by: Sukanya Pandey <sukapan1@in.ibm.com>
Change-Id: Id19854ed326eb55f6443a7015579ea6375193d1f
diff --git a/docs/.vuepress/config.js b/docs/.vuepress/config.js
index 9f05277..e86a9d2 100644
--- a/docs/.vuepress/config.js
+++ b/docs/.vuepress/config.js
@@ -53,6 +53,7 @@
             "/guide/components/status-icon/",
             "/guide/components/table/",
             "/guide/components/toast",
+            "/guide/components/tooltip"
           ]
           },
           {
diff --git a/docs/.vuepress/public/tooltip.png b/docs/.vuepress/public/tooltip.png
new file mode 100644
index 0000000..7af1b7a
--- /dev/null
+++ b/docs/.vuepress/public/tooltip.png
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