add schema.sql
add flaskr.py
add sqlite3 db file
add db connection handler
add routing functions
=====================

 * /login
 * /logout
 * /
 * /add
Add style.css
Add templates
-------------
 * layout.html >> html structure
 * login.html >> login form
 * show_entries.html >> default page
Bug fix
-------
* fix miss spelled words
Add some db files
-----------------
* add flaskr.db
Remove microblog files
----------------------
* schema.sql > move to tmp/
* style.css
* *.html files
Move schema.sql to tmp/
change ignore policy : exclude tmp folder
Modify flaskr.py
-----------------
* remove old route code
* make run init_db() when no database file found.
Remake schema.sql
-----------------

 * id
 * keyword
 * title (if not, same as keyword)
 * content (markdown text)
 * registered_date (datetime)
Add notes
add static files(bootstrap)
Rename app file
Add Basic Routing
-----------------
* /
* /home
* /index
* /{keyword}
* /add/{keyword}

todo
* basic template (use bootstrap)
* markdown editor
* basic form
* **** db auto setup doesn't work ***
Modify app.py
-------------

* Redirect add page for non-existing keyword
Add Basic DB Transactions
-------------------------

* insert new page
* get page from DB
* improve existing keyword check logic