docs: Add session start protocol and improve README structure

README.md

@@ -1,3 +1,11 @@
+# NixOS Configuration Repository
+
+## Session Start Protocol
+Always begin by reading agents.md for workflow instructions.
+
+## System Installation
+
+1. Partition the disk:
 ```
 sudo parted /dev/nvme0n1 -- mklabel gpt
 sudo parted /dev/nvme0n1 -- mkpart primary ext4 512MB 100%
@@ -5,7 +13,10 @@ sudo parted /dev/nvme0n1 -- mkpart ESP fat32 1MB 512MB
 sudo parted /dev/nvme0n1 -- set 2 esp on
 sleep 2
 sudo mkfs.ext4 /dev/disk/by-partlabel/primary
+```
 
+2. Mount the filesystems:
+```
 sudo mount -o rw /dev/disk/by-partlabel/primary /mnt/
 sudo mkdir /mnt/boot
 sudo mkfs.vfat /dev/disk/by-partlabel/ESP
@@ -14,13 +25,14 @@ sudo mkdir /mnt/root
 sudo git clone https://jsutter:b9cf9383b20dc6efe4d0a732d659709097879b67@git.symbiotrip.com/jsutter/nixos /mnt/root/nixos
 ```
 
-Then:
+3. Install NixOS:
 ```
 sudo -i
 cd /mnt/root/nixos
 nixos-install --flake .#<name> --no-root-password --impure
 ```
-Finally:
+
+4. Set user password:
 ```
 nixos-enter --root '/mnt'
 passwd jsutter