update docs

Author: jimustafa

docs/api.md

@@ -1,6 +1,9 @@
 # API Reference
 
-::: w90io.parse_win
-::: w90io.parse_nnkp
+::: w90io.parse_win_raw
+::: w90io.parse_nnkp_raw
+::: w90io.parse_wout_iteration_info
 ::: w90io.read_amn
+::: w90io.write_amn
 ::: w90io.read_eig
+::: w90io.write_eig

src/w90io/_wout.py

@@ -45,6 +45,16 @@
 
 
 def parse_wout_iteration_info(stream: typing.TextIO) -> dict:
+    """
+    Parse WOUT iteration info
+
+    Arguments:
+        stream: a file-like stream
+
+    Returns:
+        the parsed WOUT iteration info
+
+    """
     convergence = []
     spread = []
     delta = []