add readme and attribution content

ATTRIBUTION.md

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+# Source Material Attribution
+
+## k8s-at-home/library-charts
+This project is based on the public archive of https://github.com/k8s-at-home/library-charts which is made available under Apache 2.0 license.
+
+The full list of original contributors can be found in the project's [readme](ttps://github.com/k8s-at-home/library-charts#contributors-), formatted in accordance to the [all contributors](ttps://github.com/all-contributors/all-contributors) specification. The short hand list is below:
+- [Bᴇʀɴᴅ Sᴄʜᴏʀɢᴇʀs](https://github.com/bjw-s)
+- [ᗪєνιη ᗷυнʟ](https://github.com/onedr0p)
+- [Angel Nunez Mencias](https://github.com/angelnu)
+- [Winston R. Milling](https://winston.milli.ng/)
+- [Nicholas St. Germain](https://cajun.pro/)
+- [billtomturner](https://github.com/billtomturner)
+- [jr0dd](https://github.com/jr0dd)- [Allen Porter](https://github.com/allenporter)
+- [Alex Babel]("http://alexbabel.com")
+- [Cian Gallagher](https://ciangallagher.net)

README.md

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-# chart-catalog
+# OctoCloudLab Chart Catalog Repository
 
+This repository contains application-specific helm charts with sane default values. All the harts in this catalog are based on the octocloudlab library chart you can find here: [https://teapot.octopusx.de/octocloudlab/library-chart](https://teapot.octopusx.de/octocloudlab/library-chart).
+
+## Usage
+To find out how to use each chart please refer to the README.md generated by helm-docs in each of the chart folders.
+
+## Attribution
+This chart repository is inspired by and borrows a lot of content from the now archived k8s-at-home repository, which is still available here: [https://github.com/k8s-at-home/charts](https://github.com/k8s-at-home/charts). For full attribution please refer to the [ATTRIBUTION.md](https://teapot.octopusx.de/octocloudlab/chart-catalog/src/branch/main/ATTRIBUTION.md) file.