(#38) Add markdown_extensions to fix highlight

mkdocs.yaml

@@ -1,2 +1,48 @@
 site_name: Shared Storage
+
+site_url: https://lakscastro.github.io/shared-storage/
+site_author: Laks Castro
+site_description: Flutter plugin with low abstraction to work with native Android storage based APIs: Environment, Media Store and Storage Access Framework. Android 4.4+ (API Level 19+)
+
+repo_name: lakscastro/shared-storage
+repo_url: https://github.com/lakscastro/shared-storage
+
 theme: material
+markdown_extensions:
+  - markdown.extensions.admonition
+  - markdown.extensions.attr_list
+  - markdown.extensions.def_list
+  - markdown.extensions.footnotes
+  - markdown.extensions.meta
+  - markdown.extensions.toc:
+      permalink: true
+  - pymdownx.arithmatex:
+      generic: true
+  - pymdownx.betterem:
+      smart_enable: all
+  - pymdownx.caret
+  - pymdownx.critic
+  - pymdownx.details
+  - pymdownx.emoji:
+      emoji_index: !!python/name:materialx.emoji.twemoji
+      emoji_generator: !!python/name:materialx.emoji.to_svg
+  - pymdownx.highlight
+  - pymdownx.inlinehilite
+  - pymdownx.keys
+  - pymdownx.magiclink:
+      repo_url_shorthand: true
+      user: squidfunk
+      repo: mkdocs-material
+  - pymdownx.mark
+  - pymdownx.smartsymbols
+  - pymdownx.snippets:
+      check_paths: true
+  - pymdownx.superfences:
+      custom_fences:
+        - name: mermaid
+          class: mermaid
+          format: !!python/name:pymdownx.superfences.fence_code_format
+  - pymdownx.tabbed
+  - pymdownx.tasklist:
+      custom_checkbox: true
+  - pymdownx.tilde