snippets: add an HTML snippets for MC

Co-Authored-by: iGor milhit <igor@milhit.ch>

my_snippets/html.lua

@@ -0,0 +1,34 @@
+-- My HTML snippets
+
+-- Set the local variables (shortcuts)
+local ls = require("luasnip")
+local s = ls.snippet
+local i = ls.insert_node
+local fmt = require("luasnip.extras.fmt").fmt
+
+return {
+  s(
+    {
+      trig = "mcim",
+      name = "Main article structure for MC portal",
+      dscr = "Insert an HTML structure to add bibliographic description on the clinical medicine portal"
+    },
+    -- Below, the duplicate of brackets is for escaping delimiters
+    fmt(
+      [[
+        <article class="mc-{1}-main">
+          <style>
+            .mc-{1}-item li:not([class])::before,
+            .mc-{1}-item li::before {{}}
+          </style>
+        </article>
+      ]],
+      {
+        i(1, "Class identifier")
+      },
+      {
+        repeat_duplicates = true
+      }
+    )
+  )
+}