Added missing .gitignore files so bad things dont get checked in again

Author: practicalli-johnny

.gitignore

@@ -0,0 +1,21 @@
+# Gitbook
+_book/
+
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Dependency directories
+node_modules/
+
+# Optional npm cache directory
+.npm
+
+# Optional REPL history
+.node_repl_history
+
+# dotenv environment variables file
+.env