Merge pull request #120 from joshniemela/readme

Added steps in the README on how to build without netcdf-c

README.md

@@ -37,6 +37,11 @@ This crate depends on `libnetcdf`, but a static build from source is also suppor
 
 The crate is built on several platforms using github actions, and is currently known to build form from source on all major platforms (linux, macos, windows (gnu+msvc)), and through the package installers `conda` and `apt`.
 
+### Building without `netcdf-c`
+1. `git clone https://github.com/georust/netcdf`
+2. `git submodule update --init --recursive`
+3. `cargo build --features static`
+
 
 ## Documentation