feature: more work on the alu

- got the 1 bit alu made into a component
- started on the 10Bit ALU
- added a 10Bit Buffer

sims/data/org_comp_hardware.xml

@@ -0,0 +1,12 @@
+<!DOCTYPE SimulIDE>
+
+<itemlib>
+
+  <itemset category="ORGComp" type="Subcircuit" folder="../components" icon="subc2.png" >
+
+    <item name="CPU_ALU_1Bit_v1.0.0"     info="A modular ALU component that can be used." />
+	<item name="General_Buffer_10Bit_v1.0.0" info="A buffer with 10 bits. Purely for ease of testing, not actually a separate component" />
+
+  </itemset>
+
+</itemlib>