Logic gates

[Firigion]

Add gate names. Alternatively ther ewould be a single entry called gate and a link to the wiki pages, with aka entries for the names so they pop up when searched. Rising/falling edge cna be merged into one and linked as well.

• [ ] and gate
• [ ] nand gate
• [ ] or gate
• [ ] nor gate
• [ ] xor gate
• [ ] not gate
• [ ] nimply gate
• [ ] rising edge
• [ ] falling edge
• [ ] t flip flop
• [ ] rs nor latch
• [ ] leafstone
• [ ] adder
• [ ] ALU