add readme for each directory

apps/README.md

@@ -0,0 +1,9 @@
+# Apps
+
+These are all my miscellaneous utilies and scripts to accompany this project.
+
+They can be run with:
+
+```
+nix run github:nmasur/dotfiles#appname
+```

colorscheme/README.md

@@ -0,0 +1,5 @@
+# Colorschemes
+
+Color information for different themes is found here. The colors are sourced
+and used with [base16](https://github.com/chriskempson/base16) format
+consistently across the system.

disks/README.md

@@ -0,0 +1,5 @@
+# Disks
+
+These are my [disko](https://github.com/nix-community/disko) configurations,
+which allow me to save desired disk formatting layouts as a declarative file so
+I don't have to remember how to format my disks later on.

docs/README.md

@@ -0,0 +1,4 @@
+# Documentation
+
+Reference documents for some of the more complicated services and maintenance
+tasks.

hosts/README.md

@@ -1,5 +1,7 @@
 # Hosts
 
+These are the individual machines managed by this flake.
+
 | Host                                       | Purpose             |
 | ---                                        | ---                 |
 | [aws](./aws/default.nix)                   | AWS AMI             |

misc/README.md

@@ -0,0 +1,21 @@
+# Miscellaneous
+
+These files contain important data sourced by the configuration, or simply
+information to store for safekeeping later.
+
+---
+
+Creating hashed password for [password.sha512](./password.sha512):
+
+```
+mkpasswd -m sha-512
+```
+
+---
+
+Getting key for [public-keys](./public-keys):
+
+```
+ssh-keyscan -t ed25519 <hostname>
+```
+

modules/README.md

@@ -5,4 +5,5 @@
 | [common](./common/default.nix) | User programs and OS-agnostic configuration |
 | [darwin](./darwin/default.nix) | macOS-specific configuration                |
 | [nixos](./nixos/default.nix)   | NixOS-specific configuration                |
+| [wsl](./wsl/default.nix)       | WSL-specific configuration                  |
 

overlays/README.md

@@ -0,0 +1,7 @@
+# Overlays
+
+These are pinned commits, patches, or new packages for programs in Nixpkgs used
+by this flake configuration.
+
+Some of them introduce new functionality, while others could be patching
+temporary issues.

templates/README.md

@@ -0,0 +1,8 @@
+# Templates
+
+These are new flakes that can be generated quickly using:
+
+```
+nix flake init -t github:nmasur/dotfiles#mytemplate
+```
+