Implemented simple SplitOpen function and command

plugin/split-open.vim

@@ -0,0 +1,13 @@
+function! SplitOpenFile(filename)
+	execute("tabedit " . a:filename)
+	let l:file_extension = tolower(fnamemodify(a:filename, ":e"))
+	if l:file_extension == "cpp"
+		execute("FSSplitLeft")
+		execute("wincmd l")
+	elseif l:file_extension == "h"
+		execute("FSSplitRight")
+		execute("wincmd h")
+	endif
+endfunction
+
+command! -nargs=1 SplitOpen :call SplitOpenFile("<args>")