Added README.org for gitea.

gitea/README.org

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+#+TITLE: Gitea git server
+#+AUTHOR: James Blair
+#+EMAIL: mail@jamesblair.net
+#+DATE: <2022-08-24 Wed 16:45>
+
+[[https://github.com/go-gitea/gitea][Gitea]] is a painless self-hosted Git service.
+
+I created this helm chart for self-hosting gitea in a container on ~k3s~. Complete the steps below to deploy this chart.
+
+#+NAME: Deploy gitea via helm
+#+begin_src tmate
+# Ensure gitea namespace exists
+sudo kubectl create namespace jamma-gitea
+
+# Create directories if they don't already exist
+mkdir --parent "/home/${USER}/Services/gitea"
+
+# Clone charts repository
+cd "/home/${USER}/Services/gitea" && git clone https://github.com/jmhbnz/charts.git
+
+# Install the chart
+helm upgrade --install -n jamma-gitea jamma-gitea charts/jellyfin
+#+end_src