Add taskfile with md:list and md:fmt targets

Taskfile.yml

@@ -0,0 +1,41 @@
+---
+version: "3"
+
+vars:
+  lit: '{'
+  changes:
+    sh: git diff --name-only master | grep '.md$'
+
+tasks:
+  md:list:
+    desc: "List changed .md files on PR"
+    cmds:
+      - for:
+          var: changes
+          as: change
+          split: "\n"
+        silent: true
+        cmd: echo {{.change}}
+
+  md:fmt:
+    desc: "Run mdox fmt on changed .md files on PR"
+    cmds:
+      - for:
+          var: changes
+          as: change
+          split: "\n"
+        silent: true
+        cmd: |
+          if [ -f "{{.change}}" ]; then
+            echo {{.change}}
+            mdox fmt {{.change}}
+            # list item formatting
+            perl -pi -e 's/^\* /- /g' {{.change}}
+            # leading space before list (-) after colon (:)
+            sed -i -E ':a;N;$!ba;s/:\n-/:\n\n-/g' {{.change}}
+            # sanitize code block highlights from .js to js, ...
+            sed -i 's/```\./```/g' {{.change}}
+            # restore notice hugo shortcode whitespace
+            sed -i 's/>}} />}}\n/g' {{.change}}
+            sed -i 's/[[:space:]]\x7b\x7b</\n\x7b\x7b</g' {{.change}}
+          fi