bump up version; update readme

Author: itsyaasir

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "uni-resolver-driver-iota"
-version = "0.1.2"
+version = "0.2.0-alpha"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

Cargo.toml

@@ -25,8 +25,6 @@ RUN apt-get update -y \
     && rm -rf /var/lib/apt/lists/*
 COPY --from=builder /app/target/release/uni-resolver-driver-iota uni-resolver-driver-iota
 EXPOSE 8080
-ENV IOTA_CUSTOM_NODE_ENDPOINT=
-ENV IOTA_CUSTOM_IDENTITY_PKG_ID=
 
 ENV IOTA_MAINNET_IDENTITY_PKG_ID=
 ENV IOTA_MAINNET_NODE_ENDPOINT=

Dockerfile

@@ -39,7 +39,6 @@
 ![Test Badge](https://github.com/iotaledger/template/workflows/Test/badge.svg "Test Badge")
 ![Coverage Badge](https://coveralls.io/repos/github/iotaledger/template/badge.svg "Coverage Badge")
 
-
 <!-- PROJECT LOGO -->
 
 # Universal Resolver Driver for IOTA
@@ -76,19 +75,13 @@ cargo run --release
 
 ## Driver Environment Variables
 
-`IOTA_NODE_ENDPOINT` Endpoint for the `iota` network.
-
-`IOTA_SMR_NODE_ENDPOINT` Endpoint for the `smr` network.
+`IOTA_MAINNET_NODE_ENDPOINT` Endpoint for the mainnet `iota` network.
 
-`IOTA_CUSTOM_NETWORK_NAME` HRP a of custom network.
+`IOTA_MAINNET_IDENTITY_PKG_ID` Identity package ID on the mainnet `iota` network.
 
 `IOTA_CUSTOM_NODE_ENDPOINT` Endpoint for the custom network.
 
-`IOTA_NODE_AUTH_TOKEN` JWT auth token for `iota`'s node.
-
-`IOTA_SMR_NODE_AUTH_TOKEN` JWT auth token for `smr`'s node.
-
-`IOTA_CUSTOM_NODE_AUTH_TOKEN` JWT auth token for custom network's node.
+`IOTA_CUSTOM_IDENTITY_PKG_ID` Identity package ID on the custom network.
 
 Note: at least one network must be configured.