Add graindoc command & gen markdown

Author: phated

Makefile

@@ -27,4 +27,9 @@ test:
 
 .PHONY: push
 push:
-	hippofactory -s ${BINDLE_SERVER_URL} .
+	hippofactory -s ${BINDLE_SERVER_URL} .
+
+doc: lib/*.gr
+	grain doc lib/env.gr -o lib/env.md
+	grain doc lib/mediatype.gr -o lib/mediatype.md
+	grain doc lib/stringutil.gr -o lib/stringutil.md

lib/env.md

@@ -0,0 +1,34 @@
+### Env.**splitEnvVar**
+
+```grain
+splitEnvVar : String -> (String, String)
+```
+
+Split an environment variable at the first equals sign.
+
+Parameters:
+
+|param|type|description|
+|-----|----|-----------|
+|`item`|`String`|An environment variable pair, separated by an equals sign (=).|
+
+Returns:
+
+|type|description|
+|----|-----------|
+|`(String, String)`|A tuple key/value pair.|
+
+### Env.**envMap**
+
+```grain
+envMap : () -> Map.Map<a, b>
+```
+
+Get the environment variables as a Map<String, String>
+
+Returns:
+
+|type|description|
+|----|-----------|
+|`Map.Map<a, b>`|A map of all environment variables.|
+

lib/mediatype.md

@@ -0,0 +1,29 @@
+### Mediatype.**default_mt**
+
+```grain
+default_mt : String
+```
+
+### Mediatype.**guess**
+
+```grain
+guess : String -> String
+```
+
+Guess the media type of this file
+
+Per recommendation, if no media type is found for an extension,
+this returns `application/octet-stream`.
+
+Parameters:
+
+|param|type|description|
+|-----|----|-----------|
+|`filename`|`String`|The name of the file|
+
+Returns:
+
+|type|description|
+|----|-----------|
+|`String`|A media type|
+

lib/stringutil.md

@@ -0,0 +1,56 @@
+### Stringutil.**reverse**
+
+```grain
+reverse : String -> String
+```
+
+Return a String that is the reverse of the given String.
+
+Parameters:
+
+|param|type|description|
+|-----|----|-----------|
+|`str`|`String`|The string to reverse.|
+
+Returns:
+
+|type|description|
+|----|-----------|
+|`String`|A reversed version of the given string|
+
+### Stringutil.**lastIndexOf**
+
+```grain
+lastIndexOf : (String, String) -> Option<Number>
+```
+
+Get the index of the last appearance of needle in the haystack.
+
+For a multi-character needle, this will return the end of that sequence,
+not the beginning (as indexOf does).
+
+Parameters:
+
+|param|type|description|
+|-----|----|-----------|
+|`needle`|`String`|The string to search for|
+|`haystack`|`String`|The string to be searched|
+
+Returns:
+
+|type|description|
+|----|-----------|
+|`Option<Number>`|The offset, if found, or a number|
+
+### Stringutil.**afterLast**
+
+```grain
+afterLast : (String, String) -> String
+```
+
+### Stringutil.**beforeLast**
+
+```grain
+beforeLast : (String, String) -> String
+```
+