Add parsing docs

.gitea/workflows/deploy.yaml

@@ -2,7 +2,7 @@
 name: On Master Push
 on:
   push:
-    branch:
+    branches:
       - master
 jobs:
   test:

mkdocs.yml

@@ -12,6 +12,7 @@ nav:
     - 'Linked List': 'linkedlist.md'
     - 'Math': 'math.md'
     - 'macOS': 'macos.md'
+    - 'Parsing': 'parsing.md'
     - 'Set': 'set.md'
     - 'Stack': 'stack.md'
     - 'String': 'string.md'