ttcMD: mostly working nested grid parser

md/help articles/How to use ttcMD.md

@@ -8,6 +8,7 @@
   - [Block-level Elements](#block-level-elements)
     - [Accordions](#accordions)
     - [Card](#card)
+    - [Grid](#grid)
 
 # How do you use ttcMD?
 
@@ -101,6 +102,7 @@ super secret! I'll never tell!
 ]]
 ```
 [[
+  
 Card text!
 
 This is a real wild thing! Look, an accordion!
@@ -119,4 +121,49 @@ And hurt you.
 
 [/accordion]
 ]]
+/[]
+
+### Grid
+
+Grid blocks give you access to basic grid layouts. You define the number of columns in the grid by using a number of matching brackets.
+
+[][][]
+[[
+
+```
+[][][]
+
+This will make three columns, just like how this is laid out right now.
+
+Each element will get its own cell in the grid.
+
+So each of these paragraphs will end up in a separate column.
+
+/[]
+```
+
+]]
+
+[[
+```
+[][]
+
+This will make two columns
+
+[[
+Each column can use a different element
+]]
+
+/[]
+```
+]]
+
+[[
+This card will end up in the third column...
+]]
+
+[[
+... but since there isn't enough for this one, it will automatically get moved to the next row.
+]]
+
 /[]

md/help articles/test.md

@@ -0,0 +1,27 @@
+# TEST
+
+[][][]
+
+[][][]
+
+This will make three columns, just like how this is laid out right now.
+
+Each element will get its own cell in the grid.
+
+So each of these paragraphs will end up in a separate column.
+
+/[]
+
+[][]
+
+This will make two columns
+
+Each column can use a different element
+
+/[]
+
+This card will end up in the third column...
+
+... but since there isn't enough for this one, it will automatically get moved to the next row.
+
+/[]