fixed README to show config example

README.md

@@ -8,4 +8,14 @@ libncurses
 libcurl  
 ```
   
-Build with ```gcc -Wall -Wextra -pedantic -std=c11 cclock.c -lncurses -lcurl -o cclock```
+Build with ```gcc -Wall -Wextra -pedantic -std=c11 cclock.c -lncurses -lcurl -o cclock```  
+  
+To effectively use this program, there is a toml config you must provide  
+$HOME/.conifg/cclock/config  
+```  
+[weather]  
+api_key = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"  
+location = "Portland,US"   
+units = "imperial" # metric is another option  
+```
+

error

@@ -0,0 +1 @@
+cannot evaluate a function that has an argument without a value ('lib') Nix attempted to evaluate a function as a top level expression; in this case it must have its arguments supplied either by default values, or passed explicitly with '--arg' or '--argstr'.