added test target to Makefile and updated README.md

Makefile

@@ -10,7 +10,11 @@ makeconf:
 	$(info running makeconf.sh)
 	$(SRC)makeconf.sh
 
-install: makeconf
+test: makeconf
+	$(info checking configuration for errors and possible optimizations)
+	nft -c -o -f $(SRC)$(NFT)
+
+install: test
 	$(info backing up current nftables rules)
 	cp /etc/nftables.conf $(SRC)backup.conf || nft list ruleset > $(SRC)backup.conf
 	$(info installing new nftables rules)

README.md

@@ -1,3 +1,31 @@
-# homemade_firewall
+## homemade_firewall
+My own hand-made firewall learning project with nftables.
 
-My own hand-made firewall learning project with nftables.
+### License
+This program is licensed under the Affero GNU Public License v3, you can read the copy that comes along with this program or read it at gnu.org's website
+
+### Dependencies
+The following is needed to setup this firewall:
+* nftables
+* make
+* support for nftables, forwarding and conntrack in kernel
+
+And the following to run the optional makeconf.sh script:
+* bash version 4+
+
+Because it makes use of bash arrays and integer variables introduced from that version onwards.
+
+### Usage
+To use this firewall, you must first change the `.nft` files to suit your setup.
+
+Once you're satisfied, run: `make makeconf` to generate your nftables.conf.
+
+Run the following command before installing `make test` so nftables can check for errors.
+
+If there are no errors, you can install and run with `make install`
+
+You can verify that your new rules are in place with `nft list ruleset`
+
+### Bug-reporting
+
+Try to register an account, wait to be approved and submit an issue. If I take too long to approve your account or I reject your application, you can send me an email at celsochan@disroot.org