alphabetize gitmodules

just because i need to make a commit to test the skin updating...

.gitmodules

@@ -193,9 +193,15 @@
 [submodule "font_botic"]
 	path = font_botic
 	url = https://github.com/pyrollo/font_botic.git
+[submodule "fs51"]
+	path = fs51
+	url = https://gitlab.com/luk3yx/minetest-fs51
 [submodule "framedglass"]
 	path = framedglass
 	url = https://github.com/minetest-mods/framedglass.git
+[submodule "formspec_ast"]
+	path = formspec_ast
+	url = https://gitlab.com/luk3yx/minetest-formspec_ast
 [submodule "geocache"]
 	path = geocache
 	url = https://github.com/pandorabox-io/geocache.git
@@ -370,6 +376,9 @@
 [submodule "mtinfo"]
 	path = mtinfo
 	url = https://github.com/BuckarooBanzay/mtinfo/
+[submodule "mtui_mod"]
+	path = mtui
+	url = https://github.com/minetest-go/mtui_mod
 [submodule "multitools"]
 	path = multitools
 	url = https://github.com/ChimneySwift/multitools.git
@@ -573,12 +582,3 @@
 [submodule "xp_redo_ranks_ores"]
 	path = xp_redo_ranks_ores
 	url = https://github.com/mt-mods/xp_redo_ranks_ores.git
-[submodule "fs51"]
-	path = fs51
-	url = https://gitlab.com/luk3yx/minetest-fs51
-[submodule "formspec_ast"]
-	path = formspec_ast
-	url = https://gitlab.com/luk3yx/minetest-formspec_ast
-[submodule "mtui_mod"]
-	path = mtui
-	url = https://github.com/minetest-go/mtui_mod