add readme

readme.md

@@ -0,0 +1,20 @@
+1. install raspian
+2. boot
+3. configure default sound card
+
+lsusb
+alsamixer
+
+arecord -l
+
+arecord -f cd -D plughw:0,0 | ffmpeg -i - -acodec libmp3lame -ab 128k -ac 1 -f rtp rtp://127.0.0.1:3000
+
+sudo apt install git nginx vim 
+sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"
+
+https://www.digitalocean.com/community/tutorials/how-to-set-up-a-video-streaming-server-using-nginx-rtmp-on-ubuntu-20-04
+
+sudo apt install libnginx-mod-rtmp
+sudo vim /etc/nginx/nginx.conf
+
+