~ruther/verilog-riscv-semestral-project

ref: bb32d2ddcd68d2cf131760d9c1d99f9107c912f8 verilog-riscv-semestral-project/src d--------- 
feat(decoder): implement memory mask, conditional jumps

refactor: parametrize register file

chore: move default case

fix: make rd1, rd2 in register_file regs

feat: add instruction decoder

chore: formatting

feat: add basic ram, alu, and register file
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