Add paragraph and newline kinds

src/org/org_types.nim

@@ -100,7 +100,8 @@ func `$`*(xs: seq[OrgInlineBlock]): string = pprint(xs)
 type
   orgBlockKind* = enum
     orgHeading
-    # orgParagraph
+    orgParagraph
+    orgNewline
   OrgBlock* = ref object
     children*: seq[OrgInlineBlock]
 
@@ -110,11 +111,16 @@ type
       todo*: Option[string]
       headlineContent*: seq[OrgInlineBlock]
       content*: string
+    of orgParagraph:
+      paragraphContent: seq[OrgInlineBlock]
+    of orgNewline: discard
 
 ## OrgBlock.PrettyPrinters
 
 func pprint*(x: OrgBlock, indent = 0): string =
-  let fields = @[
+  let fields = case x.kind:
+    of orgHeading:
+      @[
         ("kind", $x.kind, true),
         ("level", $x.level, true),
         ("todo", $x.todo, x.todo.isSome()),
@@ -122,12 +128,20 @@ func pprint*(x: OrgBlock, indent = 0): string =
         ("children", $x.children, x.children.len != 0),
         ("content", $x.content, x.content != ""),
       ]
-  .stringifyFields()
+    of orgParagraph:
+      @[
+        ("kind", $x.kind, true),
+        ("paragraphContent", $x.paragraphContent, x.paragraphContent.len != 0),
+      ]
+    else:
+      @[
+        ("kind", $x.kind, true),
+      ]
 
   stringifyBlock(
     "OrgBlock",
     indent,
-    fields,
+    fields.stringifyFields(),
   )
 
 func `$`*(x: OrgBlock): string = pprint(x)