add progress chapter

doc/chapter/3progress.tex

@@ -0,0 +1 @@
+\TODO{some text}

doc/doc.tex

@@ -208,6 +208,9 @@ frame=tb}
     \chapter{Architecture}\label{ch:architecture}
     \input{chapter/2architecture}
 
+    \chapter{Current Progress}\label{ch:progress}
+    \input{chapter/3progress}
+
     \appendix
     \chapter{Appendix}\label{ch:appendix}
     \input{chapter/appendix}