Fixed an issue with an incomplete example-config.json that made the

server not work at all.
Also added a default.css file

Makefile

@@ -4,7 +4,7 @@ WEBROOT_DIR=webroot
 all: config css users posts comments data
 clean:
 	rm -rf data
-	rm -rf webroot
+	rm -f webroot/custom.css
 	rm -f config.json
 
 # config file
@@ -17,7 +17,7 @@ config.json:
 css: $(WEBROOT_DIR)/custom.css
 $(WEBROOT_DIR)/custom.css:
 	mkdir -p webroot
-	echo '* {\n	font-family: sans-serif;\n}' > $(WEBROOT_DIR)/custom.css
+	echo '* { font-family: sans-serif; }' > $(WEBROOT_DIR)/custom.css
 
 # users.json
 users: $(DATA_DIR)/users.json