diff --git a/.vscode/extensions.json b/.vscode/extensions.json
new file mode 100644
index 00000000..9bf69387
--- /dev/null
+++ b/.vscode/extensions.json
@@ -0,0 +1,5 @@
+{
+    "recommendations": [
+        "bierner.markdown-mermaid"
+    ]
+}
\ No newline at end of file
diff --git a/docs/.playground/mermaidtest.md b/docs/.playground/mermaidtest.md
new file mode 100644
index 00000000..c289878e
--- /dev/null
+++ b/docs/.playground/mermaidtest.md
@@ -0,0 +1,21 @@
+```mermaid
+flowchart LR
+    subgraph m[Mermaid.js]
+    direction TB
+        S[ ]-.-
+        C[build<br>diagrams<br>with markdown] -->
+        D[on-line<br>live editor]
+    end
+    A[Why are diagrams<br>useful?] --> m
+    m --> N[3 x methods<br>for creating<br>diagrams]
+    N --> T[Examples]
+    T --> X[Styling<br>and<br>captions]
+    X --> V[Tips]
+
+
+    classDef box fill:#fff,stroke:#000,stroke-width:1px,color:#000;
+    classDef spacewhite fill:#ffffff,stroke:#fff,stroke-width:0px,color:#000
+    class A,C,D,N,X,m,T,V box
+    class S spacewhite
+```
+
diff --git a/lib/readme.md b/lib/readme.md
deleted file mode 100644
index 58c4eba4..00000000
--- a/lib/readme.md
+++ /dev/null
@@ -1 +0,0 @@
-**Quan**titative **TA** **lib**rary (QuanTAlib) is a C# library of classess and methods for quantitative technical analysis.
\ No newline at end of file