Update README.md

README.md

@@ -5,9 +5,10 @@
 * Computer architecture, memory, compile vs interpret, JIT
 
 * Programming 101
-    - Variables
+    - Variables, Types, etc
     - Conditionals ("if/else") 
     - Iterations ("for loops")
+    - Functions, Scopes
     - Objects
     
 * Programming Languages
@@ -18,7 +19,7 @@
     - NodeJS Hello World
 
 * Programming Embedded Systems
-    - Embedded C
+    - Embedded C, [Arduino Language Reference](https://www.arduino.cc/en/Reference/HomePage)
     - Memory: EEPROM, Registers
     - Arduino Hello world