Add repl config

.replit

@@ -0,0 +1,14 @@
+compile = ["sh", "compile.sh"]
+#compile = ["pdflatex", "-halt-on-error", "book/book.tex"]
+run = ["sh", "runner.sh"]
+
+hidden = ["*.aux", "*.log", "index.html", "runner.sh", "nohup.out"]
+
+[languages.latex]
+pattern = "**/*.tex"
+
+[languages.latex.languageServer]
+start = "texlab"
+
+[nix]
+channel = "stable-21_11"