Add nerd font patcher step

README.md

@@ -0,0 +1,28 @@
+## Build instructions
+
+### Build Iosevka using the custom build-plan
+```shell
+docker run -it --rm -v $PWD:/work fontcc --jCmd=4 ttf::Iosevka
+```
+
+### Fix permissions as the generated files will be root owned
+```shell
+sudo chown -R $(whoami) dist
+```
+
+### Run post processing (currently just flips the small t letter)
+```shell
+./post-process.sh
+```
+
+### Run nerd patcher
+```shell
+docker run --rm -v ./dist/Iosevka/TTF:/in -v ./dist/out:/out nerdfonts/patcher \
+  --careful --complete --mono
+```
+
+### Copy fonts to ~/.fonts and invalidate the cache
+```shell
+cp -pr dist/out/Iosevka-* ~/.fonts/Iosevka-ttf/
+fc-cache -f
+```