improve code commenting

Signed-off-by: kim (grufwub) <grufwub@gmail.com>

get-mime-types.sh

@@ -1,10 +1,9 @@
 #!/bin/sh
 
+# Mime types JSON source
 URL='https://raw.githubusercontent.com/micnic/mime.json/master/index.json'
 
-IFS='
-'
-
+# Define intro to file
 FILE='
 // This is an automatically generated file, do not edit
 package gemini
@@ -16,6 +15,10 @@ var mimeTypes = map[string]string{
     // Begin file extension definitions
 '
 
+# Set break on new-line
+IFS='
+'
+
 for line in $(curl -fL "$URL" | grep -E '".+"\s*:\s*".+"'); do
     # Trim final whitespace
     line=$(echo "$line" | sed -e 's|\s*$||')