Add sorry excuse of a README.md

Lots of details missing, but at least it's a start.
Signed-off-by: Shawn Webb <shawn.webb@hardenedbsd.org>

README.md

+# HardenedBSD Build Scripts
+
+This documentation is very much a work-in-progress.
+
+## Dependencies
+
+* git-lite
+* rsync
+
+## Execution
+
+bin/ci.sh -c /path/to/config/file
+
+## Configuration
+
+```
+HBSD_GPG_KEY="BB53388D3BD9892815CB9E30819B11A26FFD188D"
+HBSD_INDEX_FILE="/build/tmp/current/index"
+HBSD_LOCKFILE="/build/tmp/current/lock.file"
+HBSD_NJOBS=8
+HBSD_SRC="/src/current"
+HBSD_STAGEDIR="/build/stage/current"
+HBSD_PUBDIR="/build/pub/current"
+HBSD_LOGDIR="/build/log/current"
+
+HBSD_MIRROR_MASTER="user@host
+HBSD_MIRROR_PUBDIR="/pub/hardenedbsd/current/amd64/amd64"
+```