CTF Platform API basic auth

Addded ctf platform Flask app with basic auth functions
register, login, logout
Added ctf platform database design (MySQL Workbench)
Added forward engineered SQL file
Added wsgi startup script
Installed various python dependencies
README.md Updated
.gitignore Updated

ctf_platform/api/database.py

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+import pymysql, click, re
+from flask import current_app as app
+from flask import g
+from flask.cli import with_appcontext
+
+def get_db():
+    if 'db' not in g:
+        mysql = pymysql.connect(host=app.config['MYSQL_DATABASE_HOST'], 
+                                user=app.config['MYSQL_DATABASE_USER'],
+                                password=app.config['MYSQL_DATABASE_PASS'],
+                                db=app.config['MYSQL_DATABASE_DB'],
+                                cursorclass=pymysql.cursors.DictCursor)
+        g.db = mysql
+        g.db_cursor = mysql.cursor()
+    return g.db_cursor
+
+def close_db(e=None):
+    db = g.pop('db', None)
+
+    if db is not None:
+        db.close()
+
+def init_db(schema):
+    db = mysql = pymysql.connect(host=app.config['MYSQL_DATABASE_HOST'], 
+                                user=app.config['MYSQL_DATABASE_USER'],
+                                password=app.config['MYSQL_DATABASE_PASS'])
+    statement = ""
+    for line in open(schema):
+        if line.strip().startswith('--'):  # ignore sql comment lines
+            continue
+        if not line.strip().endswith(';'):  # keep appending lines that don't end in ';'
+            statement = statement + line
+        else:  # when you get a line ending in ';' then exec statement and reset for next statement
+            statement = statement + line
+            try:
+                db.cursor().execute(statement)
+            except Exception as e:
+                print("[WARN] MySQLError during execute statement \n\tArgs: '{}'".format(str(e.args)))
+            statement = ""
+
+@click.command('init-db')
+@click.argument('schema')
+@with_appcontext
+def init_db_command(schema):
+    init_db(schema)
+    click.echo('Initialized the database.')
+
+def init_app(app):
+    app.teardown_appcontext(close_db)
+    app.cli.add_command(init_db_command)