Create README.md

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README.md

+Welcome to H2, the Java SQL database.
+=====================================
+
+The main features of H2 are:
+- Very fast, open source, JDBC API
+- Embedded and server modes; in-memory databases
+- Browser based Console application
+- Small footprint: around 1.5 MB jar file size
+
+More information:
+http://h2database.com