several minor quality of life updates

- including better ultisnips for tex
- battery icon changed when unknown
- changing font to intellij-font

.config/nvim/UltiSnips/tex.snippets

@@ -54,20 +54,18 @@ endsnippet
 snippet ,ol "Enumeration" A
 \begin{enumerate}
 	\item $1
-	$2
 \end{enumerate}
 endsnippet
 
 snippet ,ul "Itemization" A
 \begin{itemize}
 	\item $1
-	$2
 \end{itemize}
 endsnippet
 
 snippet ,li "List element" A
+
 \item $1
-$2
 endsnippet
 
 snippet ,ref "Reference" A