add(02_MEM_Interface.md): Added MEM Interface Outline

Documentation/Interface-Docs/02_MEM_Interface.md

@@ -0,0 +1,32 @@
+# MEM Interface #
+(Connects EX/MEM Latch to MEM/WB Latch)
+
+## Contents
+* [Modules](#modules)
+  * [EX/MEM Latch](#ex/mem_latch)
+  * [Module 2](#mem/wb_latch)
+
+## Modules
+
+### EX/MEM Latch
+
+#### Outputs
+|Input|Bits wide|
+|:---|:---:|
+|```rdn```|5-bit|
+|```alu_out```|32-bit|
+
+### MEM/WB Latch
+
+#### Inputs
+|Input|Bits wide|
+|:---|:---:|
+|```rdn_in```|5-bit|
+|```alu_out```|32-bit|
+
+## Connections
+
+|EX/MEM|MEM/WB|
+|:---|:---:|
+|```rdn```|```rdn_in```|
+|```alu_out```|```alu_out```|