better organization and try a tex readme

Signed-off-by: Ava Hahn <ava@aidanis.online>

snippets/legacy/initial_rough_spaghetti_implementation/control.rs

@@ -0,0 +1,40 @@
+/* relish: versatile lisp shell
+ * Copyright (C) 2021 Aidan Hahn
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+use crate::append::get_append;
+use crate::func::{func_declare, FTable, Ast};
+use crate::segment::Ctr;
+use crate::str::{get_concat, get_echo};
+use crate::vars::{get_export, VTable};
+use std::cell::RefCell;
+use std::rc::Rc;
+
+pub fn get_if() -> Function {
+    return Function {
+        name: String::from("if"),
+        loose_syms: false,
+        eval_lazy: true,
+        args: Args::Lazy(-1),
+        function: Operation::Internal(
+            Box::new(|args: Ast, vars: Rc<RefCell<VTable>>, funcs: Rc<RefCell<FTable>>| -> Ctr {
+                // Either 2 long or 3 long.
+                // arg 1 must eval to a bool
+                // then eval arg 2 or 3
+            })
+        ),
+    };
+}