Add a user manual

runcode.ts

@@ -1,9 +1,20 @@
 // deno-lint-ignore no-explicit-any
-const G: any = {
-	eval: eval,
-};
-// deno-lint-ignore no-explicit-any
 const builtins: any = {};
+
+// deno-lint-ignore no-explicit-any
+const G: any = {};
+
+// deno-lint-ignore no-explicit-any
+export const addToContext = (name: string, value: any) => {
+	builtins[name] = value;
+}
+
+export const getBuiltins = () => {
+	return builtins;
+}
+
+addToContext("eval", eval);
+
 const context = new Proxy(G, {
 	get: (target, prop) => {
 		if (prop in builtins) {
@@ -44,13 +55,4 @@ export const evalCode = (code: string) => {
 			throw err;
 		}
 	}
-}
-
-// deno-lint-ignore no-explicit-any
-export const addToContext = (name: string, value: any) => {
-	builtins[name] = value;
-}
-
-export const getBuiltins = () => {
-	return builtins;
 }