Added missing list page

docs/index.md

@@ -41,6 +41,7 @@ A statically-typed, stack-based language with pure postfix notation.
 - [Git Repo](https://git.purplecello.org/KylerOlsen/YREA-SLS)
 - [Contribution Guide](./contributing.html)
 - [Missing Features](./missing_features.html)
+- [Missing List](./missing.html)
 - [Assignment Details](./se_3250_assignment_details.html)
 - [Changes](./changes.html)
 - [Full Specification](./stack_lang_spec.html)

docs/missing.md

@@ -0,0 +1,17 @@
+---
+Title: Missing List
+Prev:
+Next:
+---
+
+## Missing List
+
+### Operators
+
+- `and` (Logical AND)
+- `exp` (e^x)
+- `recp` (1/x)
+- `dec` (10^x)
+- `root` (nth root)
+- `neg` ({0 swap -} or {-1 *})
+- `two` (Two's Complement)