update readme

README.md

@@ -7,9 +7,6 @@ Note: This is incredibly specific! If you want to use this for your own sites, I
 your own! 😅
 
 ## Usage
-### Requirements
-* Odin
-* A site, I guess?
 
 ### Build
 ```bash
@@ -18,10 +15,18 @@ odin build .
 
 ### Usage
 ```bash
-./cm 
-Usage:
-        cm [working dir] [output dir]
-Note:USE FULL PATH!
+> ./cm -h
+
+        Usage:
+
+        Flag format for this program:
+        -<flag>=<value>
+
+        -dir:
+                input directory of .MD files (default: ) (required)
+
+        -out:
+                output directory (html files) (default: ) (required)
 ```
 
 ### Todo