Consolidate unfinished tasks and update documentation

src/main.c

@@ -6,17 +6,6 @@
 
 #include <avr/interrupt.h>
 
-// TODO: Facilitate software updates over serial port.
-// TODO: Check parser and circular buffer for edge cases.
-// TODO: Implement command parser timeout for large input.
-// TODO: Config header for chip specifics like EEPROM size.
-// TODO: Check thermistor conversion results /w thermometer.
-// TODO: Implement primary state machine for update loop.
-// TODO: Use 18.432MHz quarz crystal, burn required fuses.
-// TODO: Implement optional CRC8 sensor measurement check.
-// TODO: Proper error handling and recovery (after testing).
-// TODO: Check why the MCUCSR EXTRF reset flag is set.
-
 enum state_e
 {
 	S_IDLE,