Merge pull request #2702 from cosmos/bez/localnet-docs-update

[R4R]: Add keys/accounts section to localnet docs

docs/gaia/networks.md

@@ -56,8 +56,9 @@ make build-linux localnet-stop localnet-start
 
 ### Configuration
 
-The `make localnet-start` creates files for a 4-node testnet in `./build` by calling the `gaiad testnet` command.
-This outputs a handful of files in the `./build` directory:
+The `make localnet-start` creates files for a 4-node testnet in `./build` by
+calling the `gaiad testnet` command. This outputs a handful of files in the
+`./build` directory:
 
 ```tree -L 2 build/
 build/
@@ -103,12 +104,27 @@ Each `./build/nodeN` directory is mounted to the `/gaiad` directory in each cont
 
 ### Logging
 
-Logs are saved under each `./build/nodeN/gaiad/gaia.log`. Watch them stream in with, for example:
+Logs are saved under each `./build/nodeN/gaiad/gaia.log`. You can also watch logs
+directly via Docker, for example:
 
 ```
-tail -f build/node0/gaiad/gaia.log
+docker logs -f gaiadnode0
 ```
 
+### Keys & Accounts
+
+To interact with `gaiacli` and start querying state or creating txs, you use the
+`gaiacli` directory of any given node as your `home`, for example:
+
+```shell
+gaiacli keys list --home ./build/node0/gaiacli
+```
+
+Now that accounts exists, you may create new accounts and send those accounts
+funds!
+
+**Note**: Each node's seed is located at `./build/nodeN/gaiacli/key_seed.json`.
+
 ### Special binaries
 
 If you have multiple binaries with different names, you can specify which one to run with the BINARY environment variable. The path of the binary is relative to the attached volume. For example: