Add models.py for "postkey" django app

"postkey" app are used to submit new i2p hostnames

web/postkey/models.py

@@ -0,0 +1,9 @@
+from django.db import models
+
+class i2phost(models.Model):
+	# Hostname limit is 67 characters maximum, including the '.i2p'.
+	name = models.CharField("I2P hostname", max_length=67)
+	# Maximum key length 616 bytes (to account for certs up to 100 bytes).
+	b64hash = models.CharField("b64 hash", max_length=616)
+	date_added = models.DateTimeField(auto_now_add=True)
+	activated = models.BooleanField(default=False)