[TASK] Reorder things in the class diagram source code (#505)

Move the associations to the bottom of the code. Also sort them.

This helps us use an autogenerated diagram to which we add the
associations (as the our tool of choice does not generate the
associations for the diagram).

Author: oliverklee

README.md

@@ -629,18 +629,12 @@ classDiagram
     class OutputFormatter {
     }
     
-    OutputFormatter --> "1" OutputFormat : oFormat
-    OutputFormat --> "1" OutputFormatter : oFormatter 
-    OutputFormat --> "1" OutputFormat : oNextLevelFormat
-
     class Parser {
     }
     
     class ParserState {
     }
 
-    Parser --> "1" ParserState : oParserState
-
     class Renderable {
         <<interface>>
     }
@@ -684,11 +678,6 @@ classDiagram
     KeyFrame --|> CSSList
     KeyFrame ..|> AtRule
 
-    CSSList --> "*" Comment : aComments
-    CSSList --> "*" RuleSet : aContents
-    CSSList --> "*" CSSList : aContents
-    CSSList --> "*" Import : aContents
-    CSSList --> "*" Charset : aContents
 
     %% namespace Parsing
 
@@ -709,8 +698,6 @@ classDiagram
     UnexpectedEOFException --|> UnexpectedTokenException
     UnexpectedTokenException --|> SourceException
 
-    Anchor --> "1" ParserState : oParserState
-    ParserState --> "1" Settings : oParserSettings
 
     %% namespace Property
 
@@ -735,11 +722,6 @@ classDiagram
     Import ..|> AtRule
     KeyframeSelector --|> Selector
 
-    Charset --> "1" CSSString : oCharset
-    Charset --> "*" Comment : aComments
-    CSSNamespace --> "*" Comment : aComments
-    Import --> "*" Comment : aComments
-
 
     %% namespace Rule
 
@@ -749,9 +731,6 @@ classDiagram
     Rule ..|> Renderable
     Rule ..|> Commentable
 
-    Rule --> "1" RuleValueList : mValue
-    Rule --> "*" Comment : aComments
-
 
     %% namespace RuleSet
 
@@ -769,10 +748,6 @@ classDiagram
     RuleSet ..|> Renderable
     RuleSet ..|> Commentable
 
-    DeclarationBlock --> "*" Selector : aSelectors
-    RuleSet --> "*" Rule : aRules
-    RuleSet --> "*" Comment : aComments
-
 
     %% namespace Value
 
@@ -817,11 +792,31 @@ classDiagram
     Value ..|> Renderable
     ValueList --|> Value
 
+    Anchor --> "1" ParserState : oParserState
+    CSSList --> "*" CSSList : aContents
+    CSSList --> "*" Charset : aContents
+    CSSList --> "*" Comment : aComments
+    CSSList --> "*" Import : aContents
+    CSSList --> "*" RuleSet : aContents
+    CSSNamespace --> "*" Comment : aComments
+    Charset --> "*" Comment : aComments
+    Charset --> "1" CSSString : oCharset
+    DeclarationBlock --> "*" Selector : aSelectors
+    Import --> "*" Comment : aComments
+    OutputFormat --> "1" OutputFormat : oNextLevelFormat
+    OutputFormat --> "1" OutputFormatter : oFormatter
+    OutputFormatter --> "1" OutputFormat : oFormat
+    Parser --> "1" ParserState : oParserState
+    ParserState --> "1" Settings : oParserSettings
+    Rule --> "*" Comment : aComments
+    Rule --> "1" RuleValueList : mValue
+    RuleSet --> "*" Comment : aComments
+    RuleSet --> "*" Rule : aRules
     URL --> "1" CSSString : oURL
-    ValueList --> "*" RuleValueList : aComponents
     ValueList --> "*" CSSFunction : aComponents
     ValueList --> "*" CSSString : aComponents
     ValueList --> "*" LineName : aComponents
+    ValueList --> "*" RuleValueList : aComponents
     ValueList --> "*" Size : aComponents
     ValueList --> "*" URL : aComponents
 ```