add makeindex to codespace latex install (#987)

Author: oscarlevin

templates/installLatex.sh

@@ -6,7 +6,7 @@
 # We use TinyTeX (https://yihui.org/tinytex/)
 wget -qO- "https://yihui.org/tinytex/install-bin-unix.sh" | sh
 
-tlmgr install adjustbox amscdx bold-extra braket bussproofs cancel carlisle cases chessfss circuitikz colortbl enumitem extpfeil fontawesome5 fontaxes gensymb imakeidx jknapltx kastrup lambda-lists listings listingsutf8 marvosym mathalpha mathtools menukeys mhchem microtype musicography newpx newtx nicematrix pdfcol pdfpages pdflscape pgfplots phaistos physics polyglossia pstricks realscripts relsize siunitx skak skaknew smartdiagram snapshot stmaryrd tcolorbox tikz-cd tikzfill titlesec txfonts ulem upquote was xfrac xltxtra xpatch xstring 
+tlmgr install adjustbox amscdx bold-extra braket bussproofs cancel carlisle cases chessfss circuitikz colortbl enumitem extpfeil fontawesome5 fontaxes gensymb imakeidx jknapltx kastrup lambda-lists listings listingsutf8 makeindex marvosym mathalpha mathtools menukeys mhchem microtype musicography newpx newtx nicematrix pdfcol pdfpages pdflscape pgfplots phaistos physics polyglossia pstricks realscripts relsize siunitx skak skaknew smartdiagram snapshot stmaryrd tcolorbox tikz-cd tikzfill titlesec txfonts ulem upquote was xfrac xltxtra xpatch xstring 
 
 tlmgr path add