Updates the project configuration and documentation (#16)

Fixes some issues in the project documentations and configuration.
The local setup session is reduced to 10 as 50 was too long and was
delaying the onboarding of the parachain.

README.md

@@ -32,6 +32,8 @@ First [Install Rust](https://www.rust-lang.org/tools/install):
 
 ```bash
 curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
+# set default cargo location
+source $HOME/.cargo/env
 ```
 
 If you already have Rust installed, make sure you're using the latest version by running:
@@ -40,15 +42,53 @@ If you already have Rust installed, make sure you're using the latest version by
 rustup update
 ```
 
-Once done, finish installing the support software:
+Once done, finish installing the support software and configure your default toolchain:
 
 ```bash
-# Additional rust targets
-rustup target add wasm32-unknown-unknown --toolchain nightly-2020-10-18
+# Install nightly toolchain and use it
+rustup toolchain install nightly-2022-10-18
+rustup default nightly-2022-10-18
+rustup target add --toolchain nightly-2022-10-18 wasm32-unknown-unknown
+
 # Additional OS dependencies
-sudo apt install build-essential git clang libclang-dev pkg-config libssl-dev
+sudo apt install build-essential
+sudo apt install --assume-yes git clang curl libssl-dev protobuf-compiler
 ```
 
+Verify the configuration of your development environment by running the following command:
+```bash
+rustup show
+rustup +nightly show
+```
+The command displays output similar to the following:
+```bash
+# rustup show
+
+active toolchain
+----------------
+
+stable-x86_64-unknown-linux-gnu (default)
+rustc 1.62.1 (e092d0b6b 2022-07-16)
+
+# rustup +nightly show
+
+active toolchain
+----------------
+
+nightly-x86_64-unknown-linux-gnu (overridden by +toolchain on the command line)
+rustc 1.65.0-nightly (34a6cae28 2022-08-09)
+```
+See [here](https://docs.substrate.io/install/linux/) for a more detailed guide on installing Rust and the required dependecies.
+
+Build the client by cloning this repository and running the following commands from the root
+directory of the repo:
+
+```bash
+git checkout <latest tagged release>
+cargo build --release
+```
+
+
 ### Building the client
 
 Build the client by cloning this repository and running the following commands from the root
@@ -66,7 +106,7 @@ Prerequisites:
 
 ```sh
 # Builds the docker image with the build artefacts under target/release
-docker build . --tag avn-dev-node:latest
+docker build . --tag aventus/avn-dev-node:latest
 ```
 
 ## Running the node

parachain-launch/config.yml

@@ -8,7 +8,7 @@ relaychain:
         validation_upgrade_cooldown: 5
         validation_upgrade_delay: 5
   overrides: # additonal runtime override
-    session_length_in_blocks: 50
+    session_length_in_blocks: 10
   env: # environment variables for all relaychain nodes
     RUST_LOG: parachain::candidate-backing=trace
   flags: # additional CLI flags for all relaychain nodes