Add database creation and test data insert scripts

Use these files to generate a test database. This will also allow
for the tracking of schema changes.

_sql/Create_Table_Contributors.sql

@@ -0,0 +1,8 @@
+CREATE TABLE Contributors (
+	id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+	handle varchar(255) NOT NULL,
+	email varchar(255) NOT NULL,
+	avatar varchar(255) DEFAULT 'hpr_logo.png' NOT NULL, 
+	default_license VARCHAR(25) DEFAULT 'CC BY-SA 4.0' NOT NULL, 
+	profile TEXT
+);