README numbering fix and resolve a security alert (#64)

- Fixes the main README formatting which was resulting in incorrect numbering on the steps
- Resolve one of the security alerts in the repo

README.md

@@ -26,13 +26,13 @@ This guide uses `apt` as the package manager in the examples. You may need to su
 
 1. Install git and rust:
 
-```shell
-sudo apt update
-sudo apt install -y git snapd
-sudo snap install rustup --classic
-```
+    ```shell
+    sudo apt update
+    sudo apt install -y git snapd
+    sudo snap install rustup --classic
+    ```
 
-The rust toolchain version is managed by the `rust-toolchain.toml` file, so once you install `rustup` there is no need to manually install a toolchain or set a default.
+    The rust toolchain version is managed by the `rust-toolchain.toml` file, so once you install `rustup` there is no need to manually install a toolchain or set a default.
 
 1. Clone this repository with `git clone`
 

freyja/src/cartographer.rs

@@ -95,9 +95,6 @@ impl<
             if mapping_client_result.unwrap().has_work {
                 info!("Cartographer detected mapping work");
 
-                // TODO: will this notion of checking and sending inventory exist?
-                // self.mapping_client.send_inventory(SendInventoryRequest { inventory: self.known_providers.clone() }).await?;
-
                 let patches_result = self.get_mapping_as_signal_patches().await;
                 if patches_result.is_err() {
                     let error = patches_result.err().unwrap();