new: Added snippet to add \item on tab

custom-snippets/tex.snippets

@@ -1,7 +1,23 @@
+global !p
+
+def math():
+	return vim.eval('vimtex#syntax#in_mathzone()') == '1'
+def itemize_or_enumerate():
+	env = vim.eval('vimtex#env#get_inner()["name"]')
+	return env in ["itemize", "enumerate"]
+
+endglobal
+
 priority -10
 
 extends tex
 
+context itemize_or_enumerate()
+snippet "\\item\s*\S+" "create next item" rb
+`!p snip.rv = match.group(0)`
+\item $0
+endsnippet
+
 snippet "\\begin\{(\w+)\}" "multiline begin{} / end{}" rbA
 \begin{`!p snip.rv = match.group(1)`}
 	$1